Security Update for Microsoft .NET Framework, Version 1.1 Service Pack 1 (KB886903)
02.06.2007 Суббота 14:15
Automatic Update in Windows downloaded the following item and was trying to install it:
Security Update for Microsoft .NET Framework, Version 1.1 Service Pack 1 (KB886903)
But intallation was failing with no explanation given. I'll skip details of how I found what was wrong and tell the final result. The problem was with TEMP and TMP environment variables. They contained invalid characters (in my case it was a semicolon).