Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix 'Externally Managed Environment' Error on Linux

If you're on a modern Linux distribution (Ubuntu 23.04+, Debian 12+, Fedora 38+, etc.) and ge...

Fix Git Authentication Failed in VS Code on Mac

If you see "Git authentication failed" when pushing or pulling in VS Code on a Mac, the p...

Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot

You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...

Fix Git Pull Unrelated Histories Error: Step-by-Step

You run git pull and see: fatal: refusing to merge unrelated histories....

Chrome Keeps Crashing After Reset? Try These Fixes

You reset Chrome hoping to fix a nagging problem, but now the browser crashes on startup—sometime...