The operating system couldn’t be loaded because a critical system driver is missing or contains errors, Error code 0xc0000221 or 0xc00000ba message appears if the ...

The 0xc0000221 error code is encountered by some Windows 11/10 users, right after the computer fails to boot. Several users report being stuck in an Automatic Repair ...

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 ...

Over the years, Windows has evolved considerably, transforming from a pure operating system to a feature-rich platform. Microsoft has put a lot of work into refining the underlying code and optimizing ...