
Change Remote Desktop Listening Port to Avoid Conflicts
If you cannot connect to a remote computer because another application is using port 3389, or you...
Software troubleshooting desk

If you cannot connect to a remote computer because another application is using port 3389, or you...

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...

You run certbot renew and get an error like “Failed to authenticate” or

You open Windows Security and see an error like “This app can’t open because there’s a problem wi...

When you run Windows Update and encounter errors like 0x800f081f or 0x80073712, a dependency conf...

When you try to open Windows Security (formerly Windows Defender Security Center) and see a messa...