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

Fix Git Push Rejected Non Fast Forward Error

Fix Windows 11 Update Stuck at 0% with Clean Boot

You start a Windows Update, but it sits at 0% for minutes or hours. This can happen after a faile...

Fix DNS Probe Finished NXDOMAIN Not Working on WiFi

If you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome while connected to WiFi, your browser ...

Fix Nginx Permission Denied Errors on Ubuntu

If you're seeing permission denied errors in your Nginx error log on Ubuntu, the...

Fix Blue Screen Loop After Windows 11 Update

You install a Windows 11 update, restart, and then get stuck in a blue screen loop—the system cra...

Fix Cloudflare Wildcard Subdomain Not Resolving

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all s...