Office 2010 activation fails after SP2 with error 0x80070190
An unspecified error has occurred. Your request cannot be processed at this time. Please try again later. (0x80070190)
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Solution:
Open Word as Administrator
browse to your program folder
C:Program Files (x86)Microsoft OfficeOffice14
right-click Winword.exe and Run As Administrator
now try to activate again and it will work
This is much easier than the command line stuff that other forums have suggested.