Checklists for software errors, setup, and tool workflows.

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

Fix VS Code Breakpoints Not Hit in Multi-Root Workspace

If you're using a multi-root workspace in VS Code and finding that breakpoints in some folder...

Python Virtual Environment Not Activating on Mac: Fixes

You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories

You try to merge two branches and get fatal: refusing to merge unrelated histories. ...

Fix Python Venv Not Activating in PowerShell

You open PowerShell, navigate to your project, and run venv\Scripts\activate but not...

How to Fix Chrome Sync Error 'Sign In Again'

What the Error Means

When Chrome displays 'Sign in again' in the sync settings, i...