Recently at a site we had machines starting using high CPU of the SVCHost process, this process is used by lots of services to access the network , however, as soon as stopping the Windows Update Service CPU came back down to normal
I had seen this before at another site and the issue was due to not enough CPU ( only one was flatlining the CPU ) , however increasing the CPU and memory still did not fix this
Then after some recent updates, the servers would no Windows Update anymore , they would just sit on “Checking for Windows Updates”. I couldn’t install updates Via powershell
A server running Windows Server 2012 R2 on the same network updated fine!
I tried the normal fix of Wiping these :
However to no avail.
I checked the Windows Update Log : C:\Windows\WindowsUpdate.log
2019-04-23 14:09:51:839 5080 ab8 CltUI FATAL: CNetworkCostChangeHandler::RegisterForCostChangeNotifications: CoCreateInstance failed with error 80004002
2019-04-23 14:09:51:839 5080 ab8 CltUI WARNING: RegisterNetworkCostChangeNotification: Error 80004002
I then found an article to Remove the Desktop Experience Feature ( which had been installed to Disk Cleanup the servers )
After this I did this again and could windows update again
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