Preliminary Step: Use C:\windows\system32\WBEM\wbemtest.exe to attempt to connect to \root\CIMv2 and "Open Class..." Win32_Desktop or Win32_QuickFixEngineering
1. Click Start, and then right-click My Computer.
2. On the shortcut menu, click Manage.
3. In the left pane of the Computer Management console, double-click Services and Applications.
4. Under Services and Applications, click Services.
5. In the right pane of the Computer Management console, locate and then right-click Windows Management Instrumentation.
6. On the shortcut menu, click Stop.
7. Start Windows Explorer, and then locate the %SystemRoot%\System32\Wbem\Repository folder.
8. Delete all of the files in the %SystemRoot%\System32\Wbem\Repository folder.
9. Restart the computer.