
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 close Command Prompt, but your CPU fan keeps spinning. Task Manager shows high CPU usage from...

If you see error 407 in Windows Terminal, it usually means proxy authentication failed. This arti...

If you see a '504 Gateway Timeout' error when opening Windows Security or running a scan, Windows...

If OneDrive no longer starts automatically when you log into Windows, the first place to check is...

If you see a "connection refused" error when trying to open Windows Defender Security Center or r...