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

Fixing Nginx Redirect Loop Configuration Issues

You set up an Nginx redirect but now the browser says the page isn't redirecting properly – y...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Setting Up Cloudflare Wildcard Subdomains: A Practical Guide

If you need to route traffic for any subdomain (like *.example.com) to the same server, Cloudflar...

Windows 11 Update Stuck at 0%: Practical Checklist

You start a Windows Update and it hangs at 0% for 10, 20, 30 minutes. This is a common frustratio...

Fix Cloudflare Error 521 After a Server Update

If you see Cloudflare error 521 after updating your server, the origin web server is refusing the...