Still getting "0x666D743F" error, itunes wont open

Ive tried all the temporary fixes in the sounds and audio devices in the control panel, ive installed and uninstalled a billion times. The other day it worked, now it stopped. It wont even open, goes strait to that error. I just purchased a ton of music I now cant access, I want to get on itunes, please help!

Try the steps outlined here:
http://docs.info.apple.com/article.html?artnum=304318
eMac Mac OS X (10.4.7)

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Up dated to itunes 10.4 now i get an error and wont open HELP!!!!

is anyone having this issue? I updated to 10.4 now I can't even open ituns with out and error popping up I even tried to do it again but same problem...can anyone help me...

Taken at face value, you're having trouble with an Apple Application Support program file there. (Apple Application Support is where single copies of program files used by multiple different Apple programs are kept.)
Let's try something relatively simple first. Restart the PC. Now head into your Add or Remove programs control panel, select "Apple Application Support", click "Change" and then click Repair.
If no joy after that, try the more rigorous uninstall/reinstall procedure from the following post. (If you've got XP, although the procedure is for Vista and 7, just read "Computer" as "My Computer", read "Uninstall a program control panel" as "Add or Remove programs control panel" and assume the system is 32-bit, and you'll be doing the right things):
Re: I recently updated to vista service pack 2 and I updated to itunes 10.2.1 and ever since I did that my itunes won't open any more. Itunes starts but before anything loads a window pops up saying that the prograam has encountered a problem and sh..

ITunes wont open, getting error message, hard drive crash

i had my secondary hard drive die. My windows is on my C: all of my music was on my D:. Now iTunes wont open becuase it cant access D:. If I try to uninstall it tells me it cant find D:. If I try to re-install it says it cant find D:. I have cleaned the registry of iTunes, and it still wont reinstall. Any thoughts, thanks in advanced.

hi Aaron!
error 1327.Invalid Drive D:\
hmmm. that one's consistent with the abrupt change of drive letters too.
have you tried the InstallShield advice on the 1327?
Error 1327 Invalid Drive
love, b

Itunes wont open. Ive tried uninstalling, cleaned up my PC and then re installed again but still wont open! There are no error messages. It just wont open

Itunes wont open. Ive tried uninstalling, cleaned up my PC and then re installed again but still wont open! There are no error messages. It just wont open! Im very frustrated and anything would help! I have Windows 7 or Vista. Idk which

Hello Dr.Help,
Thank you for providing so much information about the issue you are experiencing with iTunes. It sounds like you have tried reinstalling it, but nothing happens when you launch it. I recommend following the steps in this article to resolve launch issues with iTunes:
iTunes for Windows Vista or Windows 7: Troubleshooting unexpected quits, freezes, or launch issues
http://support.apple.com/kb/ts1717
Thank you for using Apple Support Communities.
Best,
Sheila M.

ITunes wont open for me. it keeps saying "the Disc "untitled playlist" cannot be read. An unknown error occurred (-69)." don't know how to get it to work. Please help

iTunes wont open for me. it keeps saying "the Disc "untitled playlist" cannot be read. An unknown error occurred (-69)." don't know how to get it to work. Please help

It is likely a hardware failure
http://support.apple.com/kb/TS3694?viewlocale=en_US#error1

Itunes wont open, I get "itunes application could not be opened. An unknown error occurred (-50)"

I'm on Windows 7 - using itunes daily without problems and suddenly itunes wont open, I get "itunes application could not be opened. An unknown error occurred (-50)" The only thing I can think is I think there was a download in progress when I shut down the computer.
I tried uninstalling and reinstalled, but I get the same thing. I tried clearing the itunes folder and reinstalling, same thing. help!

Doublechecking. When you did the complete uninstall, were you using the following document as a guide?
Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7
(If damaged program files are involved here, a standard install might not remove them, and a reinstall might not then replace them. So the Verify iTunes and related components are completely uninstalled section is an important step.)

Hi, im trying to update my itunes to the latest update 2013 and i keep getting the error 2324 and now my itunes wont open at all...did i loose all my media i dont know what to do next please anybody help me thanks

hi, for the last 3 hours i ve been trying to install and update itunes to the lates update....before my itunes would open just like i want it to and ever since i tried updateing to the new software my itunes wont open i get a code 2324....i realy dont want to have to put itunes on a diferent computer....please help on what to do to fix this and get my library back cause it wont open....please desperately need help
Laura Brown

The first step is to try this Microsoft fixit:
http://support.microsoft.com/mats/Program_Install_and_Uninstall
If that doesn't work we will have to try something more complicated. It is a could not open file error message from the installer.

I am trying to download iTunes on to my laptap but I keep getting a "Could not open key: UNKNOWN\Components\ with a bunch of numbers and letters following. I have uninstalled all the iTunes programs. I changed the Regedit but I still get the error?

I am trying to download iTunes to my laptop but I keep getting this "Could not open key: UNKNOWN\Components\ followed by a bunch of numbers and letters. I have unistalled iTunes and all the other apple componants. I also used followed this http://discussions.apple.com/docs/DOC-3581. But I am still getting the same "Could not open key:" error and it tells me that iTunes could not download.

On occasion, when changing ownership or permissions has no effect on the UNKNOWN\Components\ error, the fixit from the following Microsoft document sometimes works:
Fix problems with programs that can't be installed or uninstalled

TS1424 my icons itunes wont open so i removed program and downloaded new itunes and it still wont open

my icon itunes wont open so i removed it and downloaded it 3 times and it still wont open

Do you get an error message when you try to launch iTunes? If so, what does it say? (Precise text, please.)

My itunes wont open ! No error message

My itunes wont open ! When I click on the icon nothing opens, not even an error message. Iv tried opening it from Windows Task Manager > Processes > Itunes.exe but nothing seems to work ! Itunes doesnt open when I sync my iphone either ! Please help

Hi b,
I think I'm having the same problem as Vanessa (and a lot of others from the sound of it). When I click on my iTunes shortcut the hourglass pops up for a second and then nothing happens. I can't access the music store from the net either (I get a message that says "Loading... Please wait" and then nothing happens). I've turned off my firewall (Norton Personal Firewall 2003)and that didn't help. I tried Lorraine's fix with installing the files in Norton one by one and telling them to be permitted and that didn't work. I also tried a stand alone installation of Quicktime and that helped some (the quickTime player window does now pop up for a split second before disappearing when I click Quicktime) but I still can't access the music store. I thought I'd try your suggestion of looking in the task manager for my itunes.exe file but I can't find the task manager. Where is it?

ITunes wont open only error message

iTunes wont open I only get an error message that reads. "The folder iTunes cannot be found or created and is required. The default location for this folder is inside the My Music folder" My music is on an exernal hard drive and it worked before I upgraded and now it wont work.
Please help

hiya!
it's best to leave the "My Music" folder on the C drive. it's a Windows special folder, so having it out on an external can cause weird problems if (say) the drive letter assignment for the external drive changes.
okay, here's the best place to start:
iTunes for Windows: "Disk is locked" or "iTunes folder cannot be found" when installing or opening iTunes
... but if you run into the complication where "My Music" doesn't appear as an option in TweakUI, try the alternate technique from the following Nigel Carpenter post:
Nigel Carpenter: re: Itunes problem
love, b

ITunes wont open Error -200

yep
well there i was opening iTunes
and BLAMMO !
ITunes wont open
error -200
what am i doing wrong now
also coincedently my sound output aint working

Also, I have not moved any files since updating. Still won't do anything.

Itunes Wont Open!!!Error -50

My Itunes wont open ever since i upgraded to 6.0.before that everything worked fine.ive tried many of the techniques and none have worked.plz help me!!!

hmmm. okay, if you're currently just getting the "itunes has encountered an error ..." let's try the following technique.
preliminaries
download and save a fresh copy of the itunes 6.0.1.3 installer to your hard drive. (eventually we're going to run the install from there rather than online.)
iTunes 6.0.1.3 Installer
switch off any antivirus and antispyware applications prior to any uninstalls, installs or repair installs.
uninstall
use the complete uninstall instructions given in the following document to remove your existing itunes and quicktime:
Troubleshooting iTunes, iPod Software, and QuickTime installation on Windows
... and if you run into problems on the uninstall, try using the Installer Cleanup utility:
Description of the Windows Installer CleanUp Utility
reboot after uninstalling.
reinstall
remember to switch off your antivirus and antispyware.
reinstall itunes using the 6.0.1.3 installer you downloaded previously.
if you get the "itunes has encountered a problem ..." error message again after that install, first check to see if your Quicktime will launch. if you get an error message when you try to launch quicktime, try using the following technique:
iTunes 6 for Windows unexpectedly quits when opened
keep us posted on your progress.
love, b

I have just bought an iPhone 5 and it won't sync to iTunes. It says it needs iTunes 10.7, which I have downloaded and installed. I still get the error message and looking at "about iTunes" it says 10.6.3. What do I do??

I have just bought an iPhone 5 and it won't sync to iTunes. It says it needs iTunes 10.7, which I have downloaded and installed. I still get the error message and looking at "about iTunes" it says 10.6.3. What do I do??

Perhaps check to see if you're accidentally running two different versions of iTunes. There's some information on troubleshooting that in the Opening iTunes section of the following document:
Troubleshooting iTunes installation on Mac OS X

My Itunes wont open - reading error "cannot be read because it was created by a newer verdion of itunes"

My Itunes wont open - reading error "cannot be read because it was created by a newer verdion of itunes"
should i uninstall/ reinstal.
will i loose all my music nd playlists?

This technique should work...
Empty/corrupt library after upgrade/crash
Hopefully it's not been too long since you last upgraded iTunes, in fact if you get an empty/incomplete library immediately after upgrading then with the following steps you shouldn't lose a thing or need to do any further housekeeping. In the Previous iTunes Libraries folder should be a number of dated iTunes Library files. Take the most recent of these and copy it into the iTunes folder. Rename iTunes Library.itl as iTunes Library (Corrupt).itl and then rename the restored file as iTunes Library.itl. Start iTunes. Should all be good, bar any recent additions to or deletions from your library.
See iTunes Folder Watch for a tool to catch up with any changes since the backup file was created.
When you get it all working make a backup!
tt2

Still getting "0x666D743F" error, itunes wont open

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