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

Fix Chrome Hardware Acceleration Black Screen in Windows 11

If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...

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 Certificate Error Invalid Authority: Diagnosis Checklist

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

Cloudflare Origin Certificate Setup for cPanel

If you use Cloudflare as a reverse proxy, you can install a Cloudflare Origin Certificate on your...

Fixing Python Dependency Conflicts in Conda Environments

You've created a Conda environment, installed a few packages, and now Python throws an import...

Fix Docker 'No Space Left on Device' on Mac