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

Fix Missing Taskbar Icons on a Second Monitor

If you've connected a second monitor and the taskbar icons aren't showing up on it, you&#...

Fix Nginx Configuration Test Failed on Ubuntu

When you run nginx -t on Ubuntu and get an error, Nginx won't reload or restart....

Windows 11 Blue Screen After Driver Update: Rollback Fix

You update a driver in Windows 11, and then you get a blue screen on reboot. This is a common pro...

Fix ERR_NAME_NOT_RESOLVED in Chrome: Network Troubleshooting Guide

When Chrome displays ERR_NAME_NOT_RESOLVED, it means the browser cannot translat...

Fix Nginx Upstream Connection Refused in Proxy Pass