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

Windows 11 Installation Assistant Stuck at 99% Disk Space

You’re running the Windows 11 Installation Assistant, it gets to 99%, and then sits there. The pr...

Fix Windows Remote Desktop Not Connecting After Sleep

After your computer wakes from sleep or hibernation, Remote Desktop may refuse to connect. This i...

DNS Probe Finished NXDOMAIN: Internet Connection but No Browsing Fix

You see the error 'DNS probe finished NXDOMAIN' on Chrome or other browsers, yet your int...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Renew an Expired Cloudflare Origin Certificate: Step-by-Step

If your Cloudflare origin certificate has expired, visitors will see SSL errors and your server m...