tak me nakonec pomohlo tohle:

1. Disable and stop the Windows Management Instrumentation service.
2. Right-click Command Prompt and select Run as Administrator.
3. In the Command Prompt, type cd %windir%\system32\wbem and press Enter.
4. Type for /f %s in ('dir /b *.dll') do regsvr32 /s %s and press Enter to re-register WMI DLL files.
5. After completed, type for /f %s in ('dir /b *.mof') do mofcomp %s and press Enter to re-compile WMI mof files.
6. After that, type the command wmiprvse /regserver and press Enter.
7. Start the Windows Management Instrumentation service and change the Startup Type back to Automatic.

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aktualizace Windows6.0-KB930955-x64.msu

to vyresilo problem s WMI a SP1 v poho