
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...

If Chrome shows a 'profile permission denied' error on Windows 10, you can't open your browser or...

You try to open a file and see a message like "The file is locked" or "Access denied." Sometimes ...

When connecting to a remote desktop, you may see a warning that the remote computer's identity ca...

When you try to connect to a remote Windows machine via Remote Desktop and see error code 0x4, th...

If you're seeing slow downloads, failed updates, or apps that won't install, the Microsoft Store'...