Group Policy Results Wizard on Windows Server 2003 fails with error:

The wizard was unable to generate the Group Policy data due to the error listed below. access denied.

Fixed by running following in command prompt:

cd /d %windir%\system32
regsvr32 /n /I userenv.dll
cd wbem
mofcomp scersop.mof
gpupdate /force

Windows Small Business Server 2003