SQL on Windows 7 PC Corrupted - Can't Install or Repair

I've tried all of the recommendations I can find on the WEB and still get this error in trying to install or repair SQL on my workstation:
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F:\>Setup.exe An error occurred during the SQL Server 2008 R2 Setup operation.
Error result: -2067529723 Result facility code: 1220 Result error code: 5
For more information, review SQL Server 2008 R2 Setup logs in your temp folder.
Chris Premo
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