Administrators AWS Posted March 9, 2013 Administrators Posted March 9, 2013 Update KB2789642 will not install after repeated automatic (and manual) attempts. The error code received is 00000643, but I can't find any information about this error code specifically. Running Windows 7. Problem is only on my desktop. Have a laptop with same platform and the update installed just fine on it. I performed a registry clean-up shortly before this update was released, but don't know if this has anything to do with the problem. An understandable fix for a non-geek guy would be appreciated. Thanks View this thread
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