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

Setup Cloudflare Origin Certificate for Nginx

If you use Cloudflare as a reverse proxy, enabling HTTPS between Cloudflare and your Nginx server...

Fix Windows Update Service Stuck on Stopping

You try to stop the Windows Update service to troubleshoot an update issue, but it hangs on "...

Fix Chrome Black Screen Flickering from Hardware Acceleration

If Chrome shows a black screen or flickers when watching videos, scrolling, or opening menus, har...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix ERR_CONNECTION_RESET in Chrome Due to Antivirus

You're browsing normally when Chrome suddenly displays ERR_CONNECTION_RESET....

Python Command Not Found in Windows Terminal: Fixes

When you type python or python3 in Windows Command Prompt or PowerShell...