Checklists for software errors, setup, and tool workflows.

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Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Docker Desktop Engine Not Starting After Reboot: Fixes

You restart your machine, launch Docker Desktop, and the engine stays stuck at “Starting” or show...

Fix VS Code Git Authentication Failed After Update

After updating Visual Studio Code, you may see an error like "Git: Authentication failed"...

Chrome Extensions Not Loading? 7 Fixes to Try

You open Chrome and notice your extensions are missing from the toolbar, or they show up but don&...

Fix Git 'index.lock' File Exists Error in SourceTree

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...

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...