Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run source venv/bin/activate (or venv\Scripts\activate on Windows) ...

If you see EACCES: permission denied or similar errors when running npm instal...

Fix Docker Pull Access Denied for Private Repository
When you run docker pull for a private repository and get an access denied

Fix Nginx 502 Bad Gateway with Docker Environment Variables
If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

Fix Bluetooth Service Not Running in Windows 11
You open Bluetooth settings in Windows 11 and see the toggle is grayed out, or your Bluetooth dev...

Fix Permission Denied on chmod in VS Code Terminal
You're running chmod in the VS Code integrated terminal and seeing 'permissi...