One of our favorite tools at Helix is Process Explorer. The Sysinternals utilities are vital tools for any computer professional doing any sort of deep Windows OS troubleshooting.
Process Explorer is a supercharged version of Task Manager with more insight and control over your system’s processes. It also includes the ability to track down malware and identify process trees.
To get started you can download Process Explorer - https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer
Watch these great videos from the Sysinternals teams: