
How to Reinstall Windows Defender in Windows 11
If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...
Software troubleshooting desk

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

After a recent Windows update, you open Task Scheduler and see nothing but a blank white window. ...

If you're seeing ERROR 1045 (28000): Access denied for user 'user'@'%', it means MyS...

You open Task Manager and see a process like TiWorker.exe or svchost.exe

If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...

Windows Terminal can sometimes behave oddly — profiles vanish, color schemes reset, or the app fa...