Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Fix Nginx 403 Forbidden: Permission Denied Errors
You're trying to access a site served by nginx, but you get a 403 Forbidden ...

Fix VSCode Terminal Error spawn ENOENT
When you open the integrated terminal in Visual Studio Code and see the error spawn ENOENT<...

Docker Container Exits Immediately in Docker Compose
If your Docker container exits immediately after starting with docker compose up, it...

Fix Windows 11 Setup Stuck at 99%
You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...

Fix Nginx Config Test 'Permission Denied' Error
Running nginx -t and seeing 'permission denied' can stop you from reloading ...