Quicktime not opening

hi-
in safari i have no problem.
in firefox nothing appears in the movie box
in IE the box appears with sound and no image
can someone help me?

thank you. i do have a very slow connection but it opens reasonably fast in SafariBeta4.
Firefox is 3.0.10 and i waited hours!
IE is running under VM/WinXP and i think this may be the first time i ever used it & don't care to try again as it has no security installed.
all that said-thanks again.

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Quicktime not opening .avi files

After I've upgraded to Lion, QuickTime stopped playing .avi movies.
I've Perian codec installed and I've tried to disable it and both with it enabled or disabled QuickTime does not work.
Moreover, I've another problem: after having selected the option "open this file always with VLC" the system is still not working properly since it keeps opening .avi videos with QT.
Any suggestions?

Hi,
Remove Perian and restart.
Remove FlipFor Mac and restart (you are ?).
Install Perian and restart.
In Perian prefs plane : "desable" Load external subtitle
Work for me ! Good Luck.
Latest Version 2.3.8.1 not support OSX Lion
Intel or PowerPC G4 & G5
Mac OS X 10.4–10.6*
Note: Support for Mac OS X 10.7 Lion coming soon
QuickTime 7 or later
Note: QuickTime X does not support conversion using third-party plug-ins. For Snow Leopard and Lion users, , we recommend installing QuickTime 7.6.6.

Quicktime not opening AVI files in Lion.

I just installed OS X Lion but when I try to open any AVI video with Quicktime that reads "The Document <filename> could not be opened. A required codec is not available." I clicked the "Tell Me More" button and I redownloaded the DIVX codec but my files still don't open with quicktime. Is it possible that my codec is not compatible with Quicktime for Lion? But then again the Quicktime application is still the same, it hasn't been updated since Snow Leopard. Is anyone else encountering this?

divx might interfere with perian because perian already covers divx and xvid. Only one solution, not both..
simply uninstall every 3rd party codecs you have installed and go with just one if there are more then one to choose from.
Perian and WMV ( flip4mac ) is all I have on Lion and it plays everything, even downloaded youtube videos ( flvs ), the videos my Samsung mobile phone makes and the strange encoded avis that my sister sends me via email from her vista machine.

QuickTime not opening files

Would anyone no why my quicktime isn't opening my video files? I've updated my software but still nothing.

divx might interfere with perian because perian already covers divx and xvid. Only one solution, not both..
simply uninstall every 3rd party codecs you have installed and go with just one if there are more then one to choose from.
Perian and WMV ( flip4mac ) is all I have on Lion and it plays everything, even downloaded youtube videos ( flvs ), the videos my Samsung mobile phone makes and the strange encoded avis that my sister sends me via email from her vista machine.

ITunes and QuickTime not opening - why?

Recently iTunes and Quicktime haven't been opening, whether when I ask media to be opened in them or if I open them directly. They display as being open in the dock, but never actually do open and I always have to end up Force Quitting them.
Why would this occur and how can I resolve the problem?

For those reading this who do not have a QuickTime settings icon visable in their Control Panel window - look to the top left of the Control Panel window and click on Classic View.
The QuickTime icon will be visible.
I did have K-Lite but I installed it as part of WMPod after I had all this palarva, thinking I would then be able to sync via Windows Media Player. Not so, Windows Media Player did not recognise the plug in - did not have it listed in the options windows.
When I double clicked on the QuickTime icon in Control Panel (classic view) I got this message;
An exception occurred while trying to run "C:\WINDOWS\system32\shell32.dll,Control_RunDLL
"C:\WINDOWS\system32\Quicktime.cpl",Quicktime"
I had in fact deleted what I thought were duplicate QT plugins (there were half a dozen in the Programs\Internet Eplorer folder and more in Mozilla).
So I downloaded QuickTime (again) and selected repair once the installation window was up. Double clicked on QuickTime in Control Panel again.
Same message again.

NEW - Quicktime not opening .mp4 files

I posted this in another topic, but want it to be seen.
I am having a similar problem. .mp4s are not playing. Used Handbrake to create an .mp4 file. It plays fine on every system but the one I need it to play on. Quicktime 7 won't play any video, just a white screen like it is missing a codec. I haven't had this problem before, and nothing has been recently installed that would effect Quicktime. Is there an easy way to reinstall the codecs? I've reinstalled Quicktime several times with no effect, recreated the .mp4 file several times, everything else plays fine. The .mp4 plays in Compressor, iTunes, and, oddly enough, Full Screen mode in QT player, but not in the regular mode. Any ideas?

These are the downloads and the settings you need in order to view/hear pretty much everything:
Assuming you already run OS 10.4.9 or above and have Quicktime 7.2, and are using Safari 2 or 3, download and install (or re-install even if you already had them) the latest versions, suitable for your flavor of Mac, of:
RealPlayer from http://uk.real.com/player/
Flip4Mac WMV Player from http://www.microsoft.com/windows/windowsmedia/player/wmcomponents.mspx (Windows Media Player for the Mac is no longer supported, even by Microsoft)
Perian from http://perian.org/
Adobe FlashPlayer from http://www.adobe.com/shockwave/download/download.cgi?P1ProdVersion=ShockwaveFlash
In Quicktime Preferences, under advanced, UNcheck Enable Flash, and under Mime settings/Miscellananeous only check Quicktime HTML (QHTM).
In Macintosh HD/Library/Quicktime/ delete any files relating to DivX (Perian already has them).
Now repair permissions and restart.
The world should now be your oyster!
You should also have the free VLC Player from http://www.videolan.org/ in your armory, as this plays almost anything that DVD Player might not.

ITunes 7.6 (and QuickTime) not opening, error

This is driving me insane, iTunes (from version 7) has never worked on my computer and I feel like I have exhausted every option from support pages. It (and QuickTime) installed successfully but as soon as I try to open either iTunes or QuickTime I simply get the standard malfunctioning message: "iTunes has encountered a problem and needs to close. We are sorry for the inconvenience."
I'd send you the error report, except its huge. Any help would be hugely appreciated, as there is no chance in **** i'm buying an iPod without this sorted. Thanks
Matt

Oh, and I've already checked and tried the FAQ bit..

Quicktime not opening nor allowing me to uninstall

Hi,
Recently I bought a software to use on my computer. After downloading it, it informed that I needed to download the newest version of Quicktime in order to run it. After downloading Quicktime, though, it won't open nor allow me to uninstall, hence, causing the other program to be inoperative as well.
Any help would be most appreciated.
Thank you.

You need to do what the message says, that's all. You are in good company, several people a week are baffled by this message, something which honestly baffles me. Still, it's obviously bad design if it isn't intuitive.
To launch an any app, just open a Finder window and look for Applications in the left hand column. Look in it and all your applications are there.
Double click on Adobe Reader to launch it. If there is more than one shown, launch and quit each one in turn.

Quicktime not opening a .bin file

i always get the error movie could not be opened but nothing else. am i missing a particular codec to open up these .bin movie types.
thanks

I hope I found the answer you're looking for.
http://www.nickoneill.com/article/25/how-to-mount-bin-files-on-mac-osx
Essentially it may mount using Roxio's Toast.
If not, try to download the latest Stuffit Expander (as of this writing) http://www.versiontracker.com/dyn/moreinfo/macosx/182&page=4
Please report back.

Quicktime not opening in Vista

My itunes movie and video's no longer work since the last QT update. I can't open QT stand alone either. It'll show on the task bar that it is open but nothing on my desktop. I've uninstalled and reinstalled both itunes/QT with no luck. I've changed the acceleration also which didn't help.
Anyone have a suggestion?

This worked for me after hours of searching. I cried I was so happy! Thought I'd have to return my pc.
Start button -> All Programs -> Accessories -> Right click on Command Prompt, select 'Run as administrator'.
You should be in directory C:\Windows\System32
Type regsvr32 vbscript.dll (enter)
Should get a message box saying DLL has been registered.
Run the installer again.
Thanks to clancyp from msdn forum.

Itunes will not open and quicktime will not update

selecting iTunes results in popup message; 'iTunes requires Quicktime 7.5.5 or later...', but QuickTime will not open.
Control right-click did not help.

Wow, it looks like your software is very very old.
The current version of QuickTime is 10.3. The current version of OS X is 10.9.1. (Your profile indicates you are running OS X 10.5.8, Leopard. Leopard was released in 2007.)
The current version of iTunes, 11.1.4, will not run on Leopard.
Anyway, it sounds as if all your software needs extensive upgrading. You may be using a computer that is too old to run current software.

Quicktime will not install to Windows Vista "could not open key..."

I have been trying to install Quicktime for some time.
Get error message: "Could not open key: UNKNOWN\Components\9c430...... Verify that you have sufficient access to that key, or contact your local support personnel." The installer then rolls back.
I kept trying and was able to install QT, but it would not open. Error messagesaid something about a "side-by-side" configuration.
I am the only user/administrator of this pc. I have tried all troubleshooting steps on this website, including uninstalling all Apple software and all remnants.
I tried all troubleshooting steps. My next step is to re-install Windows.
HP d5000t Windows Vista Vista Ultimate 64-bit, Intel core2 quad Q9450 @ 2.66GHz 8GB RAM

Get error message: "Could not open key: UNKNOWN\Components\9c430...... Verify that you have sufficient access to that key, or contact your local support personnel." The installer then rolls back.
Doublechecking, Alex. Have you tried the procedures from the following post?
http://discussions.apple.com/thread.jspa?threadID=2475687&tstart=30
(Although that's about an iTunes install problem on 7 rather than QuickTime install problem on Vista, similar sorts of troubleshooting proicedures can apply in your circumstances too.)

HT3775 Quicktime is not opening my Mp4 files and I do not know why? Any suggestions?

Quicktime will not open my mp4 files and I do not know why. ANy suggestions? it happened after I upgraded to IOS 6. Not sure what to do. VLC program will open them but not Quicktime. I can't get them into Itunes either. Thanks!

Quicktime will not open my mp4 files and I do not know why. ANy suggestions? it happened after I upgraded to IOS 6. Not sure what to do. VLC program will open them but not Quicktime. I can't get them into Itunes either. Thanks!

My Quicktime will not open, and therefore when I try to play a video I get a message saying I need to download Quicktime, but I cannot do that as when I try, I get a message saying I already have it. How do I un-install Quicktime so I can re-install it?

I am having issues with Quicktime. It would not open, so I tried to "delete" it and re-intall. When I did that, it would not let me install it and I got a message saying it could not install because I already had it.
So, I guess what I need to know is how do I un-install Quicktime (even though the icon is gone) and then re-install it.
Thanks!

Yes I had that problem this week. Did search in finder and dragged all files to trash,including any attempted down loads of updated quicktime, emptied, restarted and then down loaded latest version and all ok.

Encore Will not open with Quicktime 7.75.80.95 update

Encore will not open after I installed Quicktime v. 7.75.80.95. After I uninstall QuickTime Encore works, but other programs still need Qt to be able to run properly. What gives?
Specs:
Windows 7 64 Sp1
Adobe CC
Encore CS6

I don't recall seeing any other report of this. The usual solution for QT update issues is to roll back.

Quicktime not opening

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