If you receive the error message “The operating system is not presently configured to run this application” when opening Office and other applications, the ...

Some Windows users while attempting to install a program or a particular version of .NET Framework on their Windows 11/10 device might be stymied by the error message ...

Get step-by-step instructions for determining the operating system (OS) version on your devices and why it is so important to keep the OS updated.

EDIT: It did - changing that setting back to "AHCI" resulted in a, "This operating system failed to start", message when I tried to boot XP. Changing the BIOS back to the "IDE" setting didn't fix that ...