Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...

You run npm run build and get a wall of TypeScript errors. The build fails, and you&...

When building a React app, you might see a fatal error like FATAL ERROR: Ineffective mark-c...

Fix VS Code IntelliSense Not Showing Suggestions
You're typing code in VS Code, expecting autocomplete suggestions, but nothing appears. This ...

Fix 'Port Already Allocated' Error in Docker Compose on Windows
You try to run docker compose up and get an error like "port is already allo...

Fix Windows Search Index Not Indexing New Files
If you've added new files to a folder but Windows Search can't find them, the search inde...