
Windows Defender Not Working After Update: Checklist
After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...
Software troubleshooting desk

After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...

You install Windows Terminal and then find that some command-line tools stop working, or you get ...

You're on Ubuntu, and a Windows BitLocker-encrypted drive is prompting for a recovery key. This i...

You try to log in after a Windows Update, but the system keeps bouncing you back to the login scr...

You enable BitLocker on a drive, and the progress bar stops moving. It might show 0% or 99.9% for...

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...