Reinstalling Windows 10 or 11 over itself is an easy and surprisingly effective way to fix all kinds of problems with the OS. Here’s how. Sometimes a Windows installation simply goes off the rails.

Call me a moron but is it possible to upgrade (as opposed to clean install) Windows ME to Win2K?<BR><BR>I know you can do it from Win9x, but I've not found anything that says one way or another ...