
Fix 'Port Already in Use' Error with Windows Defender Firewall
You try to start a local service or application, and it fails with an error like 'port already in...
Software troubleshooting desk

You try to start a local service or application, and it fails with an error like 'port already in...

You sign in to Windows, but instead of reaching your desktop, the Windows Security prompt keeps p...

You may see a notification that Windows Search indexing couldn't start due to an authentication f...

If you see a "Rate limit exceeded" or similar error when trying to download or update apps from t...

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

When you see error code 0x80070426 in Microsoft Teams while trying to use your microphone, it usu...