There is a probably a million reasons why Windows 7 SP1 will fail to install. Below is my tail. An Error occurred and in the event log it shows:
Installation Failure: Windows failed to install the following update with error 0x80070643: Security Update for Windows 7 for x64-based Systems (KB2510531).
You should find more details in c:\Windows\Logs\CBS\CBS.log and in this case I found.
SPI: (PerformSPInstallation:812)Insufficient disk space hr=0x800f0828
Once you increase the desk space Sp1 will install
Thank you for helping me solve my problem. Knowing where to find the log file is the key. That, and knowing that this update needs many gigs of free space.
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