ManagementException:Not found

Rebuild the WMI Repository

1. Disable and stop the winmgmt service
2. Remove or rename C:\Windows\System32\wbem\repository
3. Enable and start the winmgmt service
4. Open a CMD prompt as Administrator
5. In the CMD prompt Navigate to C:\Windows\System32\wbem\
6. Run the following command:
   ‘for /f %s in ('dir /b *.mof') do mofcomp %s’
7. Now run the command:
   ‘for /f %s in ('dir /b en-us*.mfl') do mofcomp en-us\%s’
8. Restart the Data Collector service

Lastly, open PERFMON to verify that all counters can be loaded. If PERFMON generates a popup error, please follow this Microsoft KB to fix it.