Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You've created a Python virtual environment on Ubuntu, but when you run source venv/bin...

Fix VSCode Terminal Not Opening with Python
You try to run a Python script in VSCode, click the terminal tab, and nothing happens—or the term...

Fix 'Permission Denied' When Running pip install --user
If you see Permission denied when running pip install --user somepackage

Fix 'npm package json not found' Error When Using npx
When you run npx some-package and see an error like “npm package json not found”...

Fix VSCode Git Authentication Failed: Permission Denied
If you see 'Git authentication failed' or 'permission denied' when pushing or pul...

Fix Chrome Crashing on Startup in Windows 10
If Chrome crashes immediately or shortly after launching on Windows 10, the cause is often a corr...