Checklists for software errors, setup, and tool workflows.

Fix git index.lock File Exists Error on Windows

If you see fatal: Unable to create 'index.lock': File exists. when running G...

Fix Git Authentication Failed in VS Code on Linux

You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...

Resolving Python Dependency Conflicts with Pipenv

You've added a package with pipenv install, but the output shows a conflict erro...

Prevent Git Index Lock File Creation: Practical Fixes

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

How to Fix 'Git Remote Origin Already Exists'

If you see the error fatal: remote origin already exists when trying to run gi...