Former Microsoft engineer Dave Plummer, who has worked on iconic projects like adding ZIP file support to Windows and the Windows NT Start Menu, revealed how the Task Manager actually reads CPU usage.

Guide When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. After this, Task Manager should no longer duplicate itself every time you launch it.

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No Windows experience is complete without occasionally opening the Task Manager to figure out which application is using all of your RAM, or to end a program that has been frozen for ten minutes with ...