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

SSH Connection Timed Out: Check Firewall Rules

You type your SSH command, wait a few seconds, and get "Connection timed out." It's a common erro...

Fix Windows Defender Conflicts with Third-Party Antivirus

You may see error messages like "Windows Defender can't start due to a dependency conflict" or no...

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...

Microsoft Store Error 0x80072efd DNS Fix Guide

If you see error 0x80072efd when opening Microsoft Store, it usually means the app can't reach it...

Fix Windows Defender High CPU Usage in Windows 10

If you notice your PC slowing down and the fan spinning up, Windows Defender might be using more ...

Fix 'ffmpeg command not found' in PHP exec()