Checklists for software errors, setup, and tool workflows.

Windows 11 Blue Screen After Update: Hardware Issue Fixes

You updated Windows 11, and now you get a blue screen. If the error mentions hardware, it's o...

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

Symptom

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

Fix Windows Defender Real-Time Protection Not Starting

If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...

Fix Python Permission Denied When Installing Package in Virtual Environment

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

Fix VS Code 'Cannot Save File: Permission Denied' on Mac

You're editing a file in VS Code on your Mac, hit save, and get: 'Failed to save:...