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itunes error 7 windows error 126

c'ant open or reinstall i tunes is there a fix for this

Posted on Sep 23, 2012 8:28 AM

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Posted on Sep 23, 2012 11:48 AM

can't open or reinstall i tunes

What happens when you try to reinstall iTunes? Do you get an error message? If so, what does the error message say? (Precise text, please.)

88 replies

Feb 3, 2014 12:30 PM in response to Flinneybee

Thanks Flinneybee, worked fine on a Win7 machine, still trying to get it right on a PC running XP. Already tried 4 o 5 times, last time even "repaired" the registry with CCleaner, same result:

"iTunes was not installed correctly. Please reinstall iTunes. Error 7 (Windows error 127)".


1.- Unistalled everything Apple.

2.- Didn't find any of the mentioned folders.

3.- Reboot.

4.- Repaired the .NET files.

5.- Reboot.

6.- Installed in this order QuickTime.msi, AppleApplicationSupport.msi, iTunes.msi.

7.- Still getting Error 7.


Am I missing something?

Is it impossible under XP?

Feb 4, 2014 3:50 PM in response to stouenjohn

Everything Flinneybee suggested worked but when I attempted to uninstall the iTunes program (and the rest following Flinneybee's order of those programs) I kept getting a message that I didn't have the administrative authority to uninstall the program. I searched the UAC feature under my Control Panel folder in order to stop all administrative authorizations for adding and removing programs. This made the uninstalls pretty quick and I was able to reinstall iTunes immediately. My iTunes is back and I have lost none of my library. Thank you, Flinneybee!

Feb 4, 2014 5:53 PM in response to stouenjohn

OMG YOU ARE WONDERFUL FLINNEYBEE. thank you soooo much, it worked after finally googling instructions I found this, what a life saver. The only thing is though be very careful downloading a registry fix, it downloaded lots of other things with it that i had to delete. However I did everything else you said, deleted all apple inc things in my control panel, etc restarted and then re installed itunes and everything is back and working like new. Thanks again, i was struggling with this for about an hour prior to finding this! It so nice when strangers help strangers. Hope lots of other see this and it also helps them! 🙂

Feb 5, 2014 12:01 PM in response to stouenjohn

Many thanks to Flinneybee! I've been frustrated trying to solve this problem on my computer for the past week and not being able to access or use iTunes on my Windows 7 computer. I was not able to find the Windows System32 QuickTime files to delete on my computer, but I followed the other steps and the worked. I did not have to repair my registry. Your solution did the trick. Much appreciated!

itunes error 7 windows error 126

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