Itunes update won't install

I have Windows 7 64bit and the latest update for iTunes corrupted my computer. It won't install and I can not launch iTunes. I tried uninstalling iTunes and all of it's components but Apple Mobile device Support will not uninstall. I've rebooted several times and tried to install the latest version several times only to be met with the following error messages:
Install failed "APS DAEMON.EXE error. MSVCR80.dll missing" and "iTunes not installed correctly. Error 7 (windows error 1236)"
What do I do now?

This forum is for questions from those managing sites on iTunes U, Apple's service for colleges and universities to post educational material in the iTunes Store. You'll be most likely to get help with this issue if you go to the general iTunes for Windows forum, where this subject has been addressed in a number of threads.
Regards.

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