Checklists for software errors, setup, and tool workflows.

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Latest checklists

You try to merge two branches, and Git stops with: fatal: refusing to merge unrelated histo...

Fix VSCode Permission Denied on Save in Linux
You're editing a file in Visual Studio Code, press Ctrl+S, and see a red error: "Failed t...

Fix Chrome Certificate Error: Invalid Authority on Company Network
When Chrome displays Your connection is not private with NET::ERR_CERT_AUT...

Fix 'Permission Denied' in VS Code Terminal for Python
You're in VS Code, you open the terminal, type python script.py, and get p...

Fix Python venv Not Activating in VS Code Terminal
When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...

Taskbar Icons Missing But Taskbar Visible: Fixes
You see the taskbar at the bottom of your screen, but the icons—like the Start button, search bar...