
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 update Windows, reboot, and instead of your desktop you see a login screen that keeps cycling...

When Windows Search stops working—missing files, slow results, or no results at all—it's usually ...

When Windows Update shows a rate limit error, it usually means the update service has been trigge...

You open Chrome and see an error like “Your connection is not private” or “NET::ERR_CERT_COMMON_N...

If you've set Command Prompt to run automatically at startup (via Startup folder, Task Scheduler,...