Windows 7 explorer crashes on Windows update [solved]

Now all of the sudden Windows 7's explorer.exe crashes when running windows update. I found a solution:

go into the registry
HKLM\Software\Microsoft\SQMClient\Windows\DisabledSessions
rename MachineThrottling to _MachineThrottling
and presto

Click here for Details

Wierd registry fix - MS please get this fixed in the final release!