If you happen to have problem with WMI, as sometime it can use a lot of ressources and you don’t know why, there is a small tip for you.
Did you know you are able to spy on query done in WMI to be able to track down who is the culprit ?
You can use the command:
Wevutil.exe sl Microsoft-Windows-WMI-Activity/Trace /e:true
You type yes after.
After the command you will be able to see more detail about the WMI call behing made in the system.
Don’t forget to disable it after the diagnostic!
More information there