
How to Resolve Port Conflicts with Windows Defender Firewall
You're trying to run a local server or application, but it fails to start because the port is alr...
Software troubleshooting desk

You're trying to run a local server or application, but it fails to start because the port is alr...

You’re trying to connect to a remote desktop through a Remote Desktop Gateway (RD Gateway), but i...

If you see a notification that Windows Defender real-time protection is off, or it keeps turning ...

You click on Command Prompt, but instead of a working terminal, you get a black screen that doesn...

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

If you see the message 'Outlook file locked in use by another process' when trying to open Outloo...