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

Docker Compose Env File Not Found: Troubleshooting Checklist

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Fix Firefox Secure Connection Failed Certificate Errors

You try to open a website in Firefox and see a full-page error: "Secure Connection Failed" with a...

Fix Chrome High CPU Usage on YouTube: Practical Steps

If Chrome's CPU usage spikes when you watch YouTube, the browser may stutter, fans spin up, or ba...

Windows Defender Slow Performance Checklist

If your system feels sluggish and Windows Defender is likely the culprit, this checklist walks th...