"MSVCR80.dll Missing"

iTunes no longer starts on my PC the message is: this program cannot start "MSVCR80.dll Missing". This program has operated well for months and I have made no alterations other than attempting to install the latest update, what should I do?

Windows 7

Posted on Jan 22, 2014 7:05 PM

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282 replies

Jan 24, 2014 6:44 PM in response to turingtest2

Thanks! The solution by turingtest2 on page 8 of 9 worked for me.


To avoid trouble in the future, don't upgrade iTunes while your iPhone/iPod is plugged into your computer's serial port to recharge. Always unplug your iPhone/iPod (and any iPads) before upgrading iTunes. This will allow the installer to halt the "Apple Mobile Devices Support" service while the upgrade is taking place.


Also do turningtest2's full uninstall procedure if you are upgrading from the 32-bit to the 64-bit version of iTunes.

Jan 24, 2014 8:19 PM in response to japaget

For what it is worth, I did nothing to cause this to happen. Apple's autmatic update did it. Yes, I clicked the button to allow the update, but that is all. Apple broke it and they should fix it. I should not be required to follow a lengthy procedure to fix it. They should provide an automatic fix that is as easy for me to use as it was for the problem to have first occured.

Jan 25, 2014 1:40 AM in response to chcn

I am facing the same issue: the last iTunes updates, recommended by the Apple Update software, has corrupted my iTunes setup (MSVCR80.DLL)


According to the event viewer, the failure seems to be be cause by Apple Mobile Device as it apprentely did not cancel its subscription to the XP notification service before being stopped.


So, I am also in the process of uninstalling/reinstalling, as forum indicates this should resolve the solution. One thing to report already: the "Apple Mobile Device Support" program fail to uninstall ;( I tried to manual stop the corresponding service, to put its restart in manual mode, to reboot ....but it still fails to uninstall.


OK, let's cross fingers hoping that the re-installation of iTunes will clean the situation in that respect.

Jan 25, 2014 2:09 AM in response to roxan

It worked: reinstallation seems to have fixed the situation (except maybe the ability to uninstall Apple Mobile Device Support but I am not going to try to do this anyway now as everything works)



I was a bit surprised that it wasn't even necessary to relogin in iTunes Store: all my settings seems to have been preserved.


Back to normal.


Still, the situation that this has created (and the number of hours that the worldwide population will loose fixing it) would imho deserve a special post by Apple.

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"MSVCR80.dll Missing"

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