Knowledge base for software setup, errors, and daily tool work.

Fix High Memory Usage After Windows Update

After a Windows update, you might notice your PC running slower, with high memory usage in Task M...

Fix Windows Activation Service Unavailable on Windows 10 Pro

If you see the error 'Windows Activation Service Unavailable' on Windows 10 Pro, it usually means...

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

Fix Port Already Allocated Error in Windows Security Configuration

When configuring Windows Firewall or security policies, you might see a "port already allocated" ...

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Fix npm ERESOLVE Error in Monorepo Setup