Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you run docker-compose up and see an error like Error starting userland p...

How to Stop Windows Explorer from Restarting
If Windows Explorer (explorer.exe) keeps restarting—your taskbar disappears and reappears, or you...

Fix Docker Compose Environment Variable Not Set on Build
You've defined environment variables in your docker-compose.yml under envi...

Fix Windows 11 Update Stuck at 0% – BITS Service Issues
You click 'Check for updates' in Windows 11, and it sits at 0% for minutes or hours. Ofte...

How to Push a Git Detached HEAD to Remote
You're working on a Git repository and realize you're in a 'detached HEAD' state....

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM
You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...