1. Start > Type Command Prompt > Right click > Run as administrator
2. Type
reg delete HKLM\SOFTWARE\Microsoft\SQMClient\Windows\DisabledSessions /va /f and press enter.
3. That’s it, no further action is necessary
Google Cache:
SQM Client Causing Crashing in Windows 7
It's what was suggested when I researched on Google about problems with Windows Installer on Windows 7. I don't know if it will fix the problem or not.
It's advised you
backup the registry before and modify it at your own risk.
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