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

Fix Microsoft Teams Blank Screen by Disabling Hardware Acceleration

If Microsoft Teams shows a blank or black screen on startup or during a call, hardware accelerati...

How to Fix Nginx 502 Bad Gateway: A Practical Guide

Seeing a 502 Bad Gateway error from Nginx usually means the upstream server (like PHP-FPM, Gunico...

Fix Chrome Profile Port Already Allocated Error

Command Prompt Not Responding? Fix Black Screen Issue

You click on Command Prompt, but instead of a working terminal, you get a black screen that doesn...

Fix Windows Update 404 Not Found After Clean Install

After performing a clean install of Windows, you may encounter a '404 Not Found' error when tryin...