This article may interest you, if after installing Windows 7 Service Pack 1 (SP1), your computer freezes or restarts and you receive an error message that resembles the following on a black screen: !! 0xc0000034 !! 142/53007 (_0000000000000000.cdf-ms)
The error is most likely to occur if the registry is corrupted.
Resolve this issue, using any of the two methods, as appropriate for your current version of Windows;
Method 1: Restore your computer to an earlier point in time by using System Restore
Method 2: Delete the poqexec entry from the SetupExecute value (advanced users only)
These methods are intended to help you return your computer to a bootable state without the service pack installed. After you successfully return your computer to a bootable state, you should try again to install the service pack.
Visit Microsoft KB975484 for detailed steps on resolving the issue.
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