What is the domain name of your company?
What you may try at this point is remove one of these updates one at a time and verify which particular update is causing the problem.
Remove an update
The updates can be installed later by asking Windows to search for updates.
Rather, the mentioned updates can be downloaded from these links.
Update for Windows 7 (KB976422)
Update for Windows 7 (KB980408)
Update for Windows 7 (KB975496)
Once you figure out the update that's causing the problem, please post detail here at TechNet forums for further help.
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