Checklists for software errors, setup, and tool workflows.

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Fix Ethernet Connected but No Internet on Windows 11

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

Prevent Git Index Lock File Creation: Practical Fixes

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

How to Fix Windows Update Service Not Running

If Windows Update won't start or you see an error like "Windows Update cannot check for u...

VS Code Git Not Detecting Changes: Step-by-Step Fix

You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

Fixing 'git rebase index.lock file exists' Error

When running git rebase, you may see an error like fatal: Unable to create ...

Fix Externally Managed Error: Create Virtual Environment
If you're on a modern Linux distribution and try to install a Python package with pip, you ma...