Checklists for software errors, setup, and tool workflows.

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Fix Git Authentication Failed in VS Code on Linux

You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...

Git Detached HEAD: Practical Checklist and Fixes

You see a message like 'You are in 'detached HEAD' state' when checking out a com...

Fix Windows 11 Installation Assistant Stuck at 99%

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

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...

Fix 'git remote add origin already exists' Error

When you run git remote add origin <url> and see fatal: remote origin al...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer
You try to clone or pull from a remote repository and get: fatal: unable to access 'htt...