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

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...

Chrome Memory Saver Mode Not Working: Quick Fixes

If Chrome's Memory Saver mode isn't activating or saving memory as expected, you're n...

How to Fix Cloudflare 521 Error with Firewall Settings

If you see a 521 Web Server Is Down error when visiting your site through Cloudf...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix npm install Permission Denied in Home Directory

If you see EACCES: permission denied or similar errors when running npm instal...