Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run git merge and get a conflict marker on a single line. The file shows both ve...

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...

Fix ERR_NAME_NOT_RESOLVED DNS Configuration Error
When you see ERR_NAME_NOT_RESOLVED in your browser, it means the DNS lookup for ...

Fix Chrome Not Responding on Startup – Practical Steps
If Chrome hangs or shows 'Not Responding' immediately after you launch it, the problem is...

Fix 'package.json Not Found' After Cloning a Repository
Symptom
You clone a repository from GitHub (or another remote), change into the directory...

Fix VSCode Terminal Permission Denied in Python venv
If you see bash: /path/to/venv/bin/activate: Permission denied when trying to activa...