Then I opened Windows Task Manager and noted down the Memory consumption of all chrome.exe processes (there were 3 or 4 of them running). Then I noted down the memory consumption of Firefox.exe ...

Other improvements to Process Explorer include built-in disk and network monitoring, more memory statistics, more reliable DLL scanning, and other goodies outlined at the Sysinternals blog.

Many Chrome.exe processes running, but no Chrome browser windows are displayed. Processes called BrowserMe.exe and Chrome_Font.exe running in Task Manager. This may change as new versions are ...

If your Windows File Explorer displays High Memory, Disk or CPU usage in Task Manager, then apart from the addons, take a look at these points.