Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open Command Prompt, type python, and get 'python' is not recogniz...

Python Virtual Environment Not Activating on Ubuntu: Fixes
You've created a Python virtual environment on Ubuntu, but when you run source venv/bin...

Fixing Node Version Mismatch with package.json Engines
You run npm install or node app.js and see a warning or error about the...

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

Fix VS Code Terminal Not Opening Due to Settings
You click the terminal panel icon in VS Code, but nothing happens. The panel doesn't slide up...

ERR_NAME_NOT_RESOLVED on Chrome Linux: Fix Guide
You're browsing on Chrome in Linux and suddenly a page won't load, showing ERR_NA...