
Fix Windows Defender Error 0x800106ba: Failed to Start
If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...
Software troubleshooting desk

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

You try to open Command Prompt and get an error about a version mismatch, or commands don't work ...

If you see a 'port already allocated' error when starting a Windows Security-related service or a...

If you've recently changed the system time on your Windows computer and now see an SSL certificat...

After a Chrome update, you might encounter freezing, crashing, or pages not loading. This is usua...

After removing malware, Windows Security may fail to launch or show a blank window. This is often...