Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run git push and get: ! [rejected] main -> main (non-fast-forward) erro...

Fix 'npm run build Error Cannot Find Module'
You run npm run build and get an error like Error: Cannot find module 'som...

Fix Windows Search Indexing Service Not Running
If Windows Search stops returning results or the search box shows no activity, the indexing servi...

Fix Chrome Startup Error 0xc0000022 on Windows
When you try to open Google Chrome and see error code 0xc0000022, the browser fails to start. Thi...

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...

Python Dependency Conflict Troubleshooting Guide
You're working on a Python project and suddenly get errors like ImportError or <...