
How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
Software troubleshooting desk

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

You see the message "This extension is blocked by your administrator" in Chrome, and you can't en...

If you're using Windows Terminal and your connections fail to start, hang on launch, or show unex...

When Microsoft Teams fails to load, you might see a spinning circle, a blank screen, or an error ...

When you try to open a file in Windows Terminal and get error 0x80070020, it usually means the fi...

If you're seeing a blank screen with no cursor after entering your BitLocker recovery key, you're...