all programs, folder, itunes, setting preferences etc cannot be open after upgrade

all programs, folder, itunes, setting preferences etc cannot be open after upgrade

I am unable to open itunes, a message will pop up saying that the error will be sent to apple.

i cant even open up folders, no reaction after i double click on the folder.

Why is this happening? What i did was clicking on the upgrade notification in itunes.

MacBook Pro (13-inch Mid 2012)

Posted on Apr 28, 2014 10:09 PM

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all programs, folder, itunes, setting preferences etc cannot be open after upgrade

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