Checklists for software errors, setup, and tool workflows.

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Latest checklists

When creating a Python virtual environment on newer Linux distributions (e.g., Debian 12, Ubuntu ...

You're running a Python script that reads a file, and it crashes with MemoryError

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 Chrome ERR_CONNECTION_RESET Caused by VPN
If you see ERR_CONNECTION_RESET in Chrome while your VPN is active, the connecti...

Fix Firefox Secure Connection Failed on Mac
If you see "Secure Connection Failed" in Firefox on your Mac, the browser is blocking the...

How to Give VS Code Permission to Save Files
If VS Code shows a permission error when you try to save a file, the problem is usually that the ...