
Fix Windows Defender Invalid Configuration Error
You may see an error like “Invalid configuration” when opening Windows Defender or trying to run ...
Software troubleshooting desk

You may see an error like “Invalid configuration” when opening Windows Defender or trying to run ...

If Windows Update fails with a "connection refused" error, your firewall is likely blocking the u...

If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

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

After a clean install of Windows, you may find that Windows Update fails, hangs, or takes forever...