Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're working in a subdirectory of your project, run npm install or npm r...

Fix Explorer.exe Keeps Restarting in Windows 10
If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...

VS Code Git Not Detecting Changes: Step-by-Step Fix
You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist
If you see ! [rejected]        main -> main (non-fast-forward) when running

Fix npm install Permission Denied Errors on package.json
You run npm install and get a permission denied error that mentions package.js...

Git Detached HEAD vs Attached HEAD: What It Means and How to Fix
If you've seen the message "You are in 'detached HEAD' state" while using Git...