https://www.comparitech.com/utilities/windows-startup-slow/
the above link might compensate for the fact that the below link is no longer valid.
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Great program to see all the services/processes with explainations and full details.
http://www.whatsrunning.net/whatsrunning/main.aspx
And just a day after posting this I find out that a searchindexer.exe is sucking up resources. It’s related to windows search service and the latest updates seems to have made it a permanent part of the OS, but it can be disabled with services.msc