
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 run npm install and see warnings about unmet peer dependencies or conflicting ve...

You're working in Windows Terminal, and when you try to connect to an Azure resource—like a VM, w...

If you see an error like “Windows can’t activate right now” or “We can’t activate Wi...

If you see 'Proxy server isn't responding' or similar proxy errors when opening the Microsoft Sto...

If Windows Security (formerly Windows Defender) won't open or gets stuck on a loading screen, the...