
Fix 'Port Already Allocated' Error in Windows Defender on Windows 10
You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...
Software troubleshooting desk

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...

If Windows Search is returning outdated results, missing files you know exist, or behaving sluggi...

Outlook fails to start, freezes on the loading screen, or crashes immediately. This checklist wal...

If Windows Defender won't start or you see errors about a dependency conflict, the issue often li...

If you're getting a 504 Gateway Timeout error while browsing or using a web service, it usually m...