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

Windows 10 Taskbar Icons Not Showing? Here's How to Fix It

You log into Windows 10, and the taskbar is nearly empty—no icons for open apps, pinned programs,...

Docker Compose Environment Variable Not Updating? Fix It

How to Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then... nothing. Th...

How to Fix Nginx Redirect Loop in Server Block

You set up a server block in Nginx, but now the browser keeps redirecting—http to https, or www t...

How to Fix Cloudflare 521 Error During Setup

If you see a 521 error after setting up Cloudflare, it means your origin server refused the conne...

Docker Compose Port Conflict: Quick Fix Guide

You try to run docker compose up and get an error like port is already allocat...