Sluggish m4v playback in itunes and quicktime

hi all
spent a while searching for an answer to this question.
i purchased a tv series through itunes (as m4v files) and downloaded them to my computer. no problems there.
when i went to playback the files i ran into some trouble. there was sluggish video/audio feed when playing the files either through quicktime or itunes. the audio and video were not off "sync" with eachother, its just they played sluggish as a whole.
for example, about three seconds would play, then both audio and video would pause. then, a few more secs would play and so on.
i have tried codecs, but still dont' know, and it is really agrivating. im running a windows xp computer, 1gb ram, 1.7ghz processor, pentium 4. no problems with computer speed in general.
any help would be greatly appreciated.
thanks
-matt

The iTunes store writes, "All TV shows and other video content are now available in 640-by-480 resolution." And, QuickTime Tech Specs page, says the following.
For viewing videos purchased from the iTunes Store:
(Windows)
2.0 GHz Pentium-class processor or better
512MB of RAM
32MB video RAM
QuickTime 7.1.3
Windows 2000 or XP
For viewing 640x480 standard definition (SD) H.264 video:
(Windows)
2.0 GHz Intel Pentium class or better processor
At least 512MB of RAM
64MB or greater video card
Windows 2000 or XP
I don't know how much VRAM you have on your terminal, but it looks like you need a faster machine as far as CPU is concerned.
Good luck
MacHouse
180 video tutorials for Mac users

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Thanks - Dan.

The iTunes store writes, "All TV shows and other video content are now available in 640-by-480 resolution." And, QuickTime Tech Specs page, says the following.
For viewing videos purchased from the iTunes Store:
(Windows)
2.0 GHz Pentium-class processor or better
512MB of RAM
32MB video RAM
QuickTime 7.1.3
Windows 2000 or XP
For viewing 640x480 standard definition (SD) H.264 video:
(Windows)
2.0 GHz Intel Pentium class or better processor
At least 512MB of RAM
64MB or greater video card
Windows 2000 or XP
I don't know how much VRAM you have on your terminal, but it looks like you need a faster machine as far as CPU is concerned.
Good luck
MacHouse
180 video tutorials for Mac users

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Hi whatisitagain,
Thank you for participating in the Apple Support Communities.
If the movie you downloaded from the iTunes Store is not playing in iTunes for Windows, start with the troubleshooting tips in this article:
Troubleshooting iTunes for Windows Vista or Windows 7 video playback performance issues - Apple Support
All the best,
Jeremy

After completely uninstalling iTunes and QuickTime, registry keys remain!

I have completely uninstalled iTunes and QuickTime from my PC (OS = XP Home) and deleted all folders and files associated with Apple, iTunes or QuickTime that were not removed during the normal uninstall procedure.
Also, I have cleaned my registry using Registry Mechanic. However, about 120 registry keys for iTunes and QuickTime stubbornly remain. I have tried to remove them several times, but on the next scan they are still there. Manual removal using Regedit also fails, resulting in the message:
"Cannot delete **: error while deleting key".
I don't understand how a program that has been completely deleted can still have registry traces. The offending keys (listed below) are in the Custom Controls section. How can I delete them?
Location: HKEYCLASSESROOT\daap\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\daap\shell\open\command
Value : (default) = C:\Program Files\iTunes\iTunes.exe /url "%1"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\itms\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\itms\shell\open\command
Value : (default) = C:\Program Files\iTunes\iTunes.exe /url "%1"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\itmss\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\itmss\shell\open\command
Value : (default) = C:\Program Files\iTunes\iTunes.exe /url "%1"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\itpc\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\itpc\shell\open\command
Value : (default) = C:\Program Files\iTunes\iTunes.exe /url "%1"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aa\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-130
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aa\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aa\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aax
Value : FriendlyTypeName = @C:\Program Files\iTunes\iTunes.Resources\iTunesRegistry.dll,-4
Parsed : c:\program files\itunes\itunes.resources\itunesregistry.dll
Location: HKEYCLASSESROOT\iTunes.aax\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-130
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aax\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aax\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aif\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-132
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aif\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aif\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aifc\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-132
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aifc\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aifc\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aiff\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-132
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aiff\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.aiff\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.BurnCD\shell\burn\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /AutoPlayBurn "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.cda\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-256
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.cda\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.cda\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.cdda\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-256
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.cdda\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.cdda\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ImportSongsOnCD\shell\import\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /AutoPlayImportSongs "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ipa
Value : FriendlyTypeName = @C:\Program Files\iTunes\iTunes.Resources\iTunesRegistry.dll,-203
Parsed : c:\program files\itunes\itunes.resources\itunesregistry.dll
Location: HKEYCLASSESROOT\iTunes.ipa\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-163
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ipa\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ipg\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-162
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ipg\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ipg\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ipsw\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-163
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ipsw\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itb
Value : FriendlyTypeName = @C:\Program Files\iTunes\iTunes.Resources\iTunesRegistry.dll,-204
Parsed : c:\program files\itunes\itunes.resources\itunesregistry.dll
Location: HKEYCLASSESROOT\iTunes.itb\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-165
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itb\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itb\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itl\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-145
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itl\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itl\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itms\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-161
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itms\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itms\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itpc\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-148
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itpc\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.itpc\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m3u\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-149
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m3u\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m3u\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m3u8
Value : FriendlyTypeName = @C:\Program Files\iTunes\iTunes.Resources\iTunesRegistry.dll,-205
Parsed : c:\program files\itunes\itunes.resources\itunesregistry.dll
Location: HKEYCLASSESROOT\iTunes.m3u8\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-149
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m3u8\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m3u8\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4a\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-141
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4a\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4a\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4b\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-143
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4b\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4b\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4p\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-143
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4p\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4p\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4r
Value : FriendlyTypeName = @C:\Program Files\iTunes\iTunes.Resources\iTunesRegistry.dll,-202
Parsed : c:\program files\itunes\itunes.resources\itunesregistry.dll
Location: HKEYCLASSESROOT\iTunes.m4r\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-164
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4r\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4r\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4v\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-141
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4v\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.m4v\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mov\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-135
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mov\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mov\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mp2\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-137
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mp2\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mp2\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mp3\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-129
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mp3\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mp3\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mpeg\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-133
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mpeg\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mpeg\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mpg\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-133
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mpg\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.mpg\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.pcast\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-148
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.pcast\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.pcast\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.PlaySongsOnCD\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /playCD "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.pls\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-149
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.pls\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.pls\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.rmp\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-148
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.rmp\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.rmp\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.ShowSongsOnCD\shell\showsongs\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /AutoPlayShowSongs "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.wav\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-134
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.wav\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.wav\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.wave\DefaultIcon
Value : (default) = C:\Program Files\iTunes\iTunes.exe,-134
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.wave\shell\open\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /open "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\iTunes.wave\shell\play\command
Value : (default) = "C:\Program Files\iTunes\iTunes.exe" /play "%L"
Parsed : c:\program files\itunes\itunes.exe
Location: HKEYCLASSESROOT\QuickTime.m15\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m15\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m1a\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m1a\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m1s\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m1s\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m1v\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m1v\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m75\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.m75\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mp2\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mp2\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpa\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpa\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpeg\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpeg\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpg\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpg\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpm\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpm\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpv\DefaultIcon
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe,-130
Parsed : c:\program files\quicktime\quicktimeplayer.exe
Location: HKEYCLASSESROOT\QuickTime.mpv\shell\open\command
Value : (default) = C:\Program Files\QuickTime\QuickTimePlayer.exe "%1"
Parsed : c:\program files\quicktime\quicktimeplayer.exe

Manual removal using Regedit also fails
In regedit, check the permissions on one of the keys that you're failing to remove. Does the user account that you're logged into (while doing the regedit) have full permissions on the key?

Videos freeze and crash PC in itunes and QuickTime

I have Wndows Vista 32 home premium - latest versions of iTunes and QuickTime will not play back music videos I downloaded via iTunes. Videos hang and PC freezes up. These are m4v format videos.

Sounds like you had the same problem I did. Computer would pretty much die when trying to watch video or sync video or photos to my iPod. Moving them to an external hard drive and everything works great again.

ITunes and Quicktime will not launch

I cannot get my iTunes or Quicktime to launch. I have uninstalled, reinstalled, upgraded, and tried several fixes that I found on this discussion board. No Luck! I'm using XP Pro SP3. When I first installed iTunes, it worked, but then quit working about 4 weeks later. I'm using the latest versions of both iTunes and Quicktime.

The error message you are getting suggests that you do have one of the problem codec packs installed on your system or you have had in the past.
Quicktime does not install Quicktime.cpl in the system32 directory.
It is possible that one of them was installed without you knowing with other software, I think Storm may get installed with other things although I can't name anything.
You must look for the things on my list and uninstall them if you find them. Check in Add/Remove programs to see if there is an entry there.
When you have uninstalled the problem items go on to the next stage. If you can't find anything you had better go on as well.
Download the stand alone Quicktime (the one without iTunes):
http://www.apple.com/quicktime/download/win.html
Now Remove Quicktime using the method in this article (just Quicktime):
XP
http://support.apple.com/kb/HT1925
Vista
http://support.apple.com/kb/HT1923
When you come to your C:\Windows\system32\ folder you can delete any file or folder with Quicktime in the name.
Restart you computer
Install the stand alone Quicktime and check if it starts.
If it does you are in a position to find out if iTunes is OK.

ITunes and QuickTime will not work..Yeah, another one

Despite my best efforts to try to solve my problem on my own and not both you kind people, I've been working on and off at trying to get my iTunes working, with no positive results at all. It's honestly been so long, I don't recall what might have sparked the issues, but every time I try to open iTunes or QuickTime they will begin to open but fail, bringing up the common windows error message:
iTunes has encountered a problem and needs to close. We are sorry for the inconvenience.
QuickTime Player has encountered a problem and needs to close. We are sorry for the inconvenience.
So far, I have totally deleted both iTunes and QuickTime twice from my computer- first just through Add/Remove Programs pathways, then more in depth with Registry Crawler to try to remove any traces of the programs- all before re-installing the two programs. Both times have failed, still leaving me unable to open either program, so I've broken down and come here- hoping to find anyone willing to lend a hand to help fix this issue so that I can finally listen to my music the way I used to.

Perfect information, thanks.
That combination is almost always caused by some application stashing old QuickTime componentry down in your system files. (Codec packs and video converters are the usual suspects, although some Games might do it too.)
Let's go looking for the old stuff.
1. Open My Computer from the desktop or Start menu.
2. In the Tools menu, click Folder Options.
3. Click the View tab.
4. In the "Advanced settings" pane under "Hidden files and folders" make sure that the "Show hidden files and folders" option is selected, and the "Hide extensions for known file types" option is unchecked.
5. Click OK.
Now in My Computer, open your C drive.
Open the "Windows" folder.
Open the "system32" folder.
What files and/or folders can you see in there with QuickTime in the file/folder name? (In a standard installation of QuickTime, you should see precisely two files ... QuickTime.qts and QuickTimeVR.qtx ... and no QuickTime folders whatsoever.)

ITunes and QuickTime will not open

I upgraded to iTunes 7.0.1 and the installation went fine. However, when I try to open iTunes by double-clicking on the desktop icon, a page pops up for less than a second and then goes away. I think the page might have something to do with a license agreement. I get no error messages. I also tried to open QuickTime to see if it works, but it does not. When I try double-clicking on the desktop icon, a page (different than the one that pops up for iTunes) comes up for less than a second. No error messages for QuickTime come up either. What can I do to get my iTunes and QuickTime to work?
Dell Dimension 8200 Windows XP

... i think i might have already replied to you in a different thread, BNT ...
... but just in case i haven't, those are classic symptoms of a Qoologic adware infestation on a PC. the free trial version of Ewido has been catching and killing that for most folks:
ewido anti-malware download

ITunes and Quicktime Error after automatice Apple update, need help!!!

So I currently have a new labtop with windows vista. I have been runining iTunes for the pass 3 months already no problems. The Apple automatic update has never caused any problems till now. Quicktime needed to be updated today, and I accecpted the update, prior to that iTunes and Quicktime was working properly. Once the quicktime update was complete, it restarted my computer like usual. Then when I tried to open iTunes this error came up:
"iTunes cannot run because it has detected a problem with your audio configuration"
Now I checked the audio configuration and nothing was changed or anything, that has not been touched at all, so I still think it had to do with the update. The next error was came up when I tried to open Quicktime and it read:
"Runtime Error!
Program C://ProgramFiles/QuickTime/QuickTimePlayer.exe
This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information"
So as long as I have been using Quicktime and iTunes I have never encountered this, I tried to re-install but the error kept coming up after it was installed. Please help me out!

try doing following the steps in these articles
http://docs.info.apple.com/article.html?artnum=31115
and
http://docs.info.apple.com/article.html?artnum=93976
hope this helps

Error Messages for iTunes and Quicktime, what do I do?

Hello, I'm in need of some help.
Let me walk you all through what I did for the last 4 hours:
(important note: I suck at far too much computer stuff, so I am fully aware that as you read the following, at certain points I probably made the problem much worse than it needed to be, I am not proud of this, but everything you read did happen, stupid as it probably was for me to pursue the problems in the particular way that I did. Hindsight is 20/20.)
I updated my iTunes v7.7 to v8.0 today, and after trying it out for a while decided that I didn't like it and wanted to go back to what I was using before.
So, because I didn't know what else to do, I tried to re-install the original iTunes software that came with my iPod (a 20gig classic I bought in 2004). That version of iTunes was v6.0 (again, 3 years ago).
Part way through the installation process, I got a message that said that, because I had a newer version of iTunes on the computer already, it wouldn't install the version on the disk.
So I uninstalled v8.0, restarted my computer, and installed the v6.0 from the CD-ROM I had.
It was then that I found I had NONE of the 6000+ songs in my iTunes window. I checked my computers files to find that they were still in the library, but my iTunes screen was completely devoid of all my music.
So I tried to get it all back on the player. I discovered that by right-clicking "Play" for the individual files from the folders in my iTunes that they would come up on the player, but that meant that I'd be clicking in 6000+ songs, one by one, till they were all back. I didn't want to do that.
So I tried a system restore (again, read "important note" at top of post). After that happened and I was looking at my desktop again, tried opening iTunes, and it gave me a message that said:
"iTunes has encountered a problem and needs to close. We are sorry for the inconvenience."
And it asks if I wanna send an error report. I decline, then try opening Quicktime. Same message. So I try to uninstall both programs (i know, i know, "important note"), and iTunes uninstalls, Quicktime does not, because, as my computer puts it, "a fatal error occurs."
But since I have iTunes uninstalled, I go to apples site and download iTunes v8.0 again. After waiting for all that to get done, I get the same error message.
So I peruse this very discussion forum, and after looking for a good while at what is being recommended I go to a site and download v7.7 again.
Again, I get the same error message.
So here I am. I've tried working it out myself for the last 4 hours, and I seem to have made things worse.
So please, please, PLEASE, I ask for any help you can provide.
Can I get my iTunes back?
Is my Quicktime corrupted now?
Am I totally screwed?

I had the same problem when I went to upgrade to 8 and then downgrade back to 7.7. To fix this is a little involved, but you can do it. Let me put it this way, I talked my mother through it on the phone, and she has a hard time finding the power button So no worries, I'll help you get back up and running. I am running Vista now, so I am going off of memory for Vista, so bear with me.
I would do the following:
1. Uninstall both iTunes and Quicktime by going to Control Panel-Add Remove Programs, and choosing first Quicktime then iTunes.
2. Clean your registry. Easy now, it is not that hard. To do it, go to http://www.ccleaner.com/download and download CCleaner. It is free and has NO spyware. Install it and run the registry cleaner. It will remove any trace of both programs from the registry. Now you have 2 choices.
3a. Now I would install iTunes 8. Because you already installed it once, it converted its database file that it uses to track the library and play lists up to the iTunes 8 standard.
3b. If you have no problem loosing your playlists and library settings, you can go back to iTunes 7.7. To do this, first search for "itunes.ttl". To do this, go to Start-Search Files and Folders- and type in "iTunes.ttl" Once the search finishes, it will tell you where it is located. Navigate there using Windows Explorer or My Computer and delete it. Now you can install iTunes 7.7 with out any errors. You will not loose any files! just your playlists and it will not remember what is in your library.
As far as adding your songs again, did you try to re-importing your music? If you go to the file menu-add folder to library. It will bring up a dialogue box that will allow you to browse to the folder with your music.
Let me know if this works. I will help in anyway I can.
Good Luck,
linesma

When i try to update itunes and quicktime, it stops me and says " The feature you are trying to use is on a network resource that is unavailable" please help.

when i try to update itunes and quicktime, it stops me and says " The feature you are trying to use is on a network resource that is unavailable" please help.

Before trying the update again, use Microsoft's Fix it solution at http://support.microsoft.com/mats/Program_Install_and_Uninstall. Use it to uninstall iTunes and Quicktime. It bypasses this not uncommon problem. When the solution finishes, the selected program will be uninstalled. It can take several minutes and I have seen as much as half an hour.
After iTunes & Quicktime are uninstalled, try the update again.

ITunes and QuickTime doesn't open up on Windows Vista

Hi! I will apreciate all who tries to answer this question.
I have Windows Vista on my HP laptop and I dowloaded iTunes and QuickTime.
I had no problem downloading it, but then opening it came a box.
It said:
iTunes has stopped working
Windows can check online for a solution to the problem
-> Check online for a solution and close the program
-> Close the program
View problem details
Problem signature:
Problem Event Name: BEX
Application Name: iTunes.exe
Application Version: 10.1.1.4
Application Timestamp: 4d06bba9
Fault Module Name: StackHash_fd00
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 00000000
Exception Offset: 00227d80
Exception Code: c0000005
Exception Data: 00000008
OS Version: 6.0.6002.2.2.0.768.3
Locale ID: 4105
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160
Then I press close the program and a speech bubble appears at the
bottom right corner of the screen.
It said:
iTunes was closed.
To help protect your computer, Data Execution Prevention
has closed iTunes.Click to learn more.
I have no idea whats hapening.
HELP!

excellent information, sparkly.
Fault Module Name: StackHash_fd00
Fault Module Version: 0.0.0.0
... and:
To help protect your computer, Data Execution Prevention has closed iTunes
... and the QuickTime Player not launching either (it's a "QuickTime has stopped working" error?).
With that combination, we need to check on some other application (apart from QuickTime itself) stashing old QuickTime componentry on the PC in an unorthodox location. (Codec packs and video converters are the usual suspects with that, although some games might do the same.)
So we'll go looking for the older QuickTime componentry in the most common locations for it to be stashed.
First we'll need to change some view settings.
In your Start menu, open Computer.
In your Organise menu, select Folder Options.
In the View tab, make sure that "Show hidden files and folders" is selected, and "Hide extensions for known file types" is unchecked.
Click OK.
Now in Computer, open your C:\ drive (or whichever drive you have your operating system installed on).
Open the "Windows" folder.
*If you have a 32-bit version of Windows,* open the "System32" folder.
*If you have a 64-bit version of Windows,* open the "SysWOW64" folder.
What files and folders can you see in there with QuickTime in the title? (In a standard installation of Quicktime you should be seeing precisely two files ... QuickTime.qts and QuickTimeVR.qtx ... and no QuickTime folders whatsoever.)

Itunes and Quicktime won't open.

I recently had a problem with Itunes, which deleted anything new I purchased or downloaded. I found out that if I rebuilt the library the problem could be solved, but I didn't want to risk losing any data so I didn't do it. I figured I'd wait for an update that would fix it and a couple days later I downloaded Itunes 7.3.1. The download did not go smoothly at all. During the course of it: it had to stop downloading and download both Itunes and Quicktime seperatly and it kept saying that my Quicktime was not up to date (something it's been saying for the last couple months). I've tried fixing that before, but when I do it prevents me from going into Itunes.
Now after downloading 7.3.1 neither one of the programs will open. Itunes says, "Itunes cannot run because it has detected a problem with your audio configuration." and Quicktime says, "Runtime Error! ... This application has requested the Runtime to terminate it in an unusual way."
I'm starting to get really annoyed with Itunes, for the last couple months it's had nothing but problems. Can someone please help me.
Windows XP

Hi Clyde33.
Itunes says, "Itunes cannot run because it has detected a problem with your audio configuration."
Have a look at this article in the Apple Knowledge Base.
Quicktime says, "Runtime Error! ... This application has requested the Runtime to terminate it in an unusual way."
Check out b noir's response in this thread .

Hi. Ever since I downloaded the last itunes and quicktime update (a week or so ago), I can't access any video podcasts or movies I have stored in itunes. iTunes keeps crashing and telling me I have a quicktime error. Do I uninstall quicktime? or?

Hi . Ever since I downloaded the last itunes and quicktime update ( a week or so ago), I can't access any movies or video podcasts i have store in itunes on my pc (vista). iTunes crashes and my error reports tell me it is a quicktime error. Do i uninstall and reinstall quicktime, or completely uninstall itunes and reinstall it -- if so, what will i lose? Help, please!

Let's try the following user tip:
iTunes for Windows 10.7.0.21: "iTunes has stopped working" error messages when playing videos, video podcasts, movies and TV shows

Sluggish m4v playback in itunes and quicktime

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