Checklists for software errors, setup, and tool workflows.

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Fix Chrome Certificate Error: Invalid Authority SSL Certificate

If Chrome shows 'Your connection is not private' with 'NET::ERR_CERT_AUTHORITY_INVALI...

Fix 'pip externally managed environment' on Ubuntu 23.04

If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...

How to Check Node Version Compatibility with a Package

You're about to install or update a package, and you see warnings like "requires Node.js ...

Fix 'Python Is Not Recognized as an Internal or External Command'

When you type python in the Command Prompt and see 'python is not recognized...

Fixing Node.js Heap Out of Memory on Windows
If you see a FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of me...

Fix Windows 11 WiFi No Internet Due to Proxy Settings If your Windows 11 laptop shows full WiFi bars but browsers say “No internet,” a common culprit i...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Chrome Certificate Error: Invalid Authority SSL Certificate

Fix 'pip externally managed environment' on Ubuntu 23.04

How to Check Node Version Compatibility with a Package

Fix 'Python Is Not Recognized as an Internal or External Command'

Fixing Node.js Heap Out of Memory on Windows

Fix Windows 11 WiFi No Internet Due to Proxy Settings

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