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I have situation where every time i reboot my pc it works fine for like 3-4 mins but after that some svchost process starts running (Checked in task manager) and pc becomes painfully slow. this process takes 25% of cpu even with that cpu or memory usage are still below 50% and 70% receptively, still PC starts lagging even after killing the process. Only workaround I found is to reinstall the Nvdia graphics drivers so pc starts performing again. But I cannot reinstall graphics drives after every reboot. Another thing to note is I observed that almost every svchost process has description in task manger host process for windows services but this particular process has description as svchost only. Can anybody help?
Edit :
As PID for svchost process is 6000 in resource monitor
attaching the screenshot for resource monitor as well as task monitor.
Edit 2: adding the screenshot of PID details 
Sourabh Vaidya
Posted 2017-10-27T03:45:42.897
Reputation: 1
looks like you run into the Windows update service hang issue
– magicandre1981 – 2017-10-27T14:18:21.010You can identify the name of the service in question using Resource Monitor. That might help narrow down the problem. – Corrodias – 2017-10-28T04:15:59.860
@biswa: PID is showing 6000 for this svc host process – Sourabh Vaidya – 2017-10-29T04:49:06.753
1Use : tasklist /svc /fi "IMAGENAME eq svchost.exe" in elevated command prompt to find list of services associated with the particular process ID. That should help further in finding root cause. – Nikhil_CV – 2017-10-29T10:20:23.487
@ nikhil : I Checked in cmd the service is showing N.A. Please check the screeen shot attached about. This time process id was 5800 – Sourabh Vaidya – 2017-10-29T16:26:00.160
Sorry, I could not get any notifications for the comment. Do you have any reason to believe your computer might be infected? Like some adware or something? Also, is this behavior observed while after booting in safe mode with networking? – Nikhil_CV – 2017-11-01T05:40:15.977