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

Fix Windows 11 Installation Assistant Stuck at 99%

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Docker Desktop Engine Not Responding: Practical Fixes

You click Start in Docker Desktop, the whale icon spins, but nothing happens — o...

Cloudflare SSL Full vs Flexible: Troubleshooting Mixed Content & Errors

If your site shows broken padlocks, mixed content warnings, or SSL errors after changing Cloudfla...

Fix Git Push Rejected Non Fast Forward Error

Fix Cloudflare Wildcard Subdomain DNS Propagation Delay

You set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, but new subdom...

How to Generate a Cloudflare Origin Certificate

If you're using Cloudflare as a reverse proxy, you may want to encrypt traffic between your s...