How do I correct Office 2010 registration error?

Recently one of our copies of Microsoft Office 2010 seems to have lost it's registration and now
when the user accesses any of the applications it states that the product is not registered.
I have attempted to manually enter the MAK key and have gone into the Help menu to change the
registration but when I go to activate it it comes up with an unspecified error 0x80070001 and
will not register.  I have done a full uninstallation and made sure there was no other Office product
to interfere with the software.  Office 2010 was working fine up until about a week ago.
Who is Participating?
Paul SauvéConnect With a Mentor RetiredCommented:
Hi - I found an answer at TechNet Blogs > Office Deployment Support Team Blog .

I also found an answer on the MS Office forum (Office 2010 Professsional Plus Activation Error), which also refers to the above link.

It seems to be a registry problem. Also, some suggest to try to activate over the phone, if you find changing registry values a little daunting.
mdeyoAuthor Commented:
Perfect solution.  Thank you
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