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

Windows Explorer Keeps Restarting in Windows 11: Fixes

If Windows Explorer keeps restarting on your Windows 11 PC, you'll see the taskbar and deskto...

Fix Firefox Secure Connection Failed Due to Proxy Settings

If you see "Secure Connection Failed" in Firefox and suspect a proxy is involved, you'...

How to Allow Unrelated Histories in Git Merge

Fix npm run build Permission Denied on Linux

You run npm run build on your Linux machine and see Permission denied. ...

Docker Desktop Engine Stopped: Fix Firewall Block

If Docker Desktop shows “Engine Stopped” and you suspect a firewall block, here’s how to diagnose...

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...