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

Understanding and Fixing Git Detached HEAD State

If you've seen the message You are in 'detached HEAD' state in Git, you ...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fix Nginx 502 Bad Gateway with Docker Multiple Containers

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

How to Stop Windows Explorer from Triggering Automatic Repair

If Windows Explorer keeps restarting and eventually triggers Automatic Repair, you're likely ...

Manually Download and Fix Windows Update Error 0x80070002

You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...

Docker Compose Port Already Allocated: Checklist

You run docker-compose up and get an error like Error starting userland proxy:...