Knowledge base for software setup, errors, and daily tool work.

Fix npm run build failing due to ESLint errors

You run npm run build and it fails with a wall of ESLint errors. This is common when...

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 Security App Permission Issues

You open Windows Security and see a message like "This app has been blocked for your protecti...

Git Detached HEAD vs Attached HEAD: What It Means and How to Fix

If you've seen the message "You are in 'detached HEAD' state" while using Git...

Fix Windows Update Error 0x80070002 Using DISM

If you see Windows Update error 0x80070002, it usually means the update system can't find a n...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

When Nginx returns a 403 Forbidden or logs an error like ...