I'm getting this message when I try to open iTunes: This copy of iTunes is corrupted or is not installed correctly. Please reinstall iTunes. (-42037) What do I do?

Do a back up then try reinstalling.
You should always back up before do an update, upgrade, anything with the system in case something goes wrong. That way you still have a current copy of your data.
Try starting in safe mode, then running the update. This will disable most 3rd party sofwarelike anti virus and other things prople put on their machines that can cause problems.
Safe mode:
Power off, power on holding the shift key, continue to hold until you see the progress BAR then re;ase and allow to finish booting. Note this will take longer than a regular boot. Login and try running software update or use the link here to download. Use an ethernet connection if possible as it is much less prone to corruption than wireless.
http://support.apple.com/kb/DL1614
After download and install logout and restart normally.

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How do i fix my itune?it says,this copy of itunes is corrupted or is not installed correctly please reinstall itunes.i tryed to update to ios7 and this has happend.any help would be great

I've got myself a new iphone 5s and I tried to update itunes. Now its telling me that this copy of itunes is corrupted or is not installed correctly Please reinstall itunes.I'm not good with computers so any help would be great.I'm scared if i reinstall i will lose everythig.

Go to Control Panel > Add or Remove Programs (Win XP) or Programs and Features (Later)
Remove all of these items in the following order:
iTunes
Apple Software Update
Apple Mobile Device Support
Bonjour
Apple Application Support
Reboot, download iTunes, then reinstall, either using an account with administrative rights, or right-clicking the downloaded installer and selecting Run as Administrator.
See also HT1925: Removing and Reinstalling iTunes for Windows XP or HT1923: Removing and reinstalling iTunes for Windows Vista, Windows 7, or Windows 8
Should you get the error iTunes.exe - Entry Point Not Found after the above reinstall then copy QTMovieWin.dll from:
C:\Program Files (x86)\Common Files\Apple\Apple Application Support
and paste into:
C:\Program Files (x86)\iTunes
The above paths would be for a 64-bit machine. Hopefully the same fix with the " (x86)" omitted would work on 32-bit systems with the same error.
tt2

I get this message when I try to open iphoto: Your photo library is either in use by another application or has become unreadable. What can I do?

I get this message when I try to open iphoto: Your photo library is either in use by another application or has become unreadable. What can I do?

restart your system
if that does not resolve it backup youoriPhoto librtary, depress the option and command keys, launch iphoto and rebuild the database
also report the version of iPhoto and on the OS please
LN

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Drag the migrated home folder to the desktop and provide your administrator password.
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When I wants to syncronize my foto's from my computer to my Ipad, Ik get the message "itunes photprocessor was not installed correctly, please reinstall itunes, error 7" When i did so, the same message appears again and again??????

When I want to syncronize my photo's from my computer to my Ipad, I get the message "itunes photoprocessor was not installed correctly, please reinstall itunes, error 7"
When I did so, the same message appears again and again.
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Thanks on forhand.

Repair Apple Application Support.
START/CONTROL PANEL/PROGRAMS N FEATURES/highlight APPLE APPLICATION SUPPORT, then click the REPAIR button

When I install the program, all go good but when i open the program, it say: iTunes was not installed correctly, Please reinstall Itunes, After i do this but the same

when I install the program, all go good but when i open the program, it say: iTunes was not installed correctly, Please reinstall Itunes Error 7 (windows 193), After i do this but the same

Howdy Allux345.
After multiple installations of iTunes it can be frustrating when the issue isnt resolved. I was able to locate the following knowledge base article that specifically addresses the "Error 7" you are recieving.
iTunes for Windows: "Error 7" message when opening iTunes
http://support.apple.com/kb/TS3074
The Resolution section has different steps depending on what version of the Windows Operating System you're using. Since it can be a bad installation of these Windows files, pay close attention to the instructions on repairing if the file already exhists.
Thanks for reaching out to Apple Support Communities with your question.
Cheers,
Pedro D.

I dont know what to do i try install itunes and this keeps coming up "itunes was not installed correctly. please reinstall itunes error 7 (windows error 127)" what should i do?

i dont know what to do i try install itunes and this keeps coming up "itunes was not installed correctly. please reinstall itunes error 7 (windows error 127)" what should i do?

For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down the page in case one of them applies.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
tt2

I keep getting "iTunes was not installed correctly please reinstall iTunes.Error 7 (Windows error 193) Please help me fix.

After atempting to update to iTunes 11.something (.3 or .4 which I had been avoiding because of past experiences) I get this message when I try & open iTuunes. ITunes was not installed correctly please reinstall iTunes. Error 7 (Windows error 193). I have attempted to download iTunes several times. What can I do?

Try the following user tip:
Troubleshooting issues with iTunes for Windows updates

Download problem / This copy of itunes is corrupted or not installed correctly. please reinstall itunes (-42404)

have windows 7 ... itunes worked on my computer before ... but when I tried to download new version of itune ... I get this message ; This copy of itunes is corrupted or not installed correctly. please reinstall itunes (-42404) ... this has been happening for about two to three months now ...

Hello barbeedawg,
Thanks for using Apple Support Communities.
I'd like you to please follow the steps in the article below to first remove all instances of iTunes and its associated files, and then reinstall iTunes.
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
Take care,
Alex H.

Did latest update for itunes and now can't open Itunes. Get pop of :itunes was not installed correctly.Please reinstall itunes. Error 7 (Windows Error 126). Have reinstalled various times and still can't open itunes. Please help.

Did latest update for itunes and now can't open Itunes. Get pop of :itunes was not installed correctly.Please reinstall itunes. Error 7 (Windows Error 126). Have reinstalled various times and still can't open itunes. Please help.

Repair Apple Application Support.
START/CONTROL PANEL/PROGRAMS N FEATURES/highlight APPLE APPLICATION SUPPORT, then click the REPAIR button

After an iTunes update failed to install iTunes won't open and I get lthe folloowing error messages. Program can't start because MSVCR80.dll is missing, and iTunes not installed correctly. please reinstall iTunes. Error 7( windows errpr 126)

After an iTunes update failed to install, iTunes won't open and I get the following two windows. Program can't start because MSVCR80.dll is missing from your computer, and iTunes not installed correctly. Please reinstall iTunes. Error 7 (windows error 126) When I reinstall I get the same messages and ITunes won't open.

Click here and follow the instructions.
(98815)

I have successfully installed itunes10, then get an error message that reads, itunes was not installed correctly. please reinstall itunes, error 7 Windows error 127

I have successfully installed itunes 10, then get an error message that reads, itunes was not installed correctly Error 7 (Windows error 127)

For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down page in case one of them applies.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
tt2

Itunes stopped working - states not installed correctly please reinstall itunes. I have done this 3 times now and still no joy. Gives Error 7 (windows error998) - any suggestions?

itunes has stopped working
Error 7 (windows error 998)
this happened after attaching my old ipod, however I have since uninstalled and reinstalled several times and each time on opening via shortcut or main icon it gives the following message again
Itunes was not installed correctly. Please reinstall iTunes
Error 7 (windows error 998)
any suggetions ?

Hi animalsintheark,
Thanks for visiting Apple Support Communities.
You may want to try the steps in the "Additional Troubleshooting" section of this article, before trying to reinstall again using the steps in "General installation troubleshooting:"
Trouble installing iTunes or QuickTime for Windows
http://support.apple.com/kb/HT1926
Best,
Jeremy

HT1926 this copy of itunes is corrupted or not installed correctly. please reinstall itunes

I have just updated itunes and have received the error 'this copy of itunes is corrupted or not installed correctly. Please re-install itunes' whenever I try to open it. I have read a number of replies to other people asking the same question, but I'm not computer savvy and I'm a little lost as to what to do. Can anyone explain how a dummie with a computer repairs their itunes!
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I do not know if iTunes is in your computer at all
icon in the applications folder = application .
Download iTunes :
* http://www.apple.com/itunes/download/

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Every time I install iTunes 12 I get this message when I try to open it:"This copy of iTunes is damaged and it has not been correctly installed. Please, install iTunes again.(-42404)".
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I'm getting this message when I try to open iTunes: This copy of iTunes is corrupted or is not installed correctly. Please reinstall iTunes. (-42037) What do I do?

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