Checklists for software errors, setup, and tool workflows.

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Git index.lock File Exists Even After Deleting: Fixes

You delete the .git/index.lock file, but Git still says it exists. This can happen d...

Chrome Startup Crash Due to Sandboxing: How to Fix

You open Chrome, it starts to load, then crashes before the window fully appears. This can happen...

Fix VS Code Git Authentication Failed: Step-by-Step Guide

You're in the middle of a push or pull in VS Code, and you get a red error: "Authenticati...

Fix Chrome ERR_CONNECTION_RESET Caused by VPN

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

How to Fix Docker Pull 'Access Denied' or 'Permission Denied'

When you run docker pull and see access denied or permission deni...

VSCode IntelliSense Not Working for JavaScript: Fixes
You open a JavaScript file in VSCode, but IntelliSense is silent — no autocompletions, no suggest...