Checklists for software errors, setup, and tool workflows.

Fix 'git remote origin already exists' Error on Mac

If you see fatal: remote origin already exists when trying to add a remote repositor...

How to Disable Shell Extensions to Stop Explorer Restarting

If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

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

Symptom

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

Fix Python Permission Denied When Installing Package in Virtual Environment

You activate your Python virtual environment, run pip install somepackage, and get a...

Fix Windows Update Component Cleanup Error 0x800f081f

When running Disk Cleanup or the Deployment Imaging Service and Management Tool (DISM) to remove ...

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...