Launch error for iTunes on Windows 7

I recently installed the latest update for iTunes on my PC and when I attempted to launch I received an error stating that one of the .dlls "is either not designed to run on Wondows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support." I tried downloading and reinstalling iTunes and also removing and then reinstalling but received the same error. I recently upgraded my PC from Vista to Windows 7 and wonder if it is related to the problem.

Many thanks.
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. If you're using Vista or 7,now head into your Uninstall a program control panel, select "Apple Application Support" and then click "Repair". If you're using XP, 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

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