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

How to Merge a Git Detached HEAD Back to Master

If you see a message like 'You are in 'detached HEAD' state' after checking out a...

Fix Nginx Redirect Loop in WordPress

You visit your WordPress site and get a "redirect loop" or "too many redirects" e...

Taskbar Icons Disappeared After Explorer Crash: How to Restore Them

If your taskbar icons vanished after an Explorer crash, you're not alone. This is a common is...

Chrome Certificate Error Invalid Authority: Diagnosis Checklist

When Chrome shows NET::ERR_CERT_AUTHORITY_INVALID and refuses to load a site, it...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix npm run build Failed on macOS: Common Causes and Solutions

If you're on macOS and npm run build fails, you're not alone. This command o...