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

Windows Terminal Serial Port Connection Setup Guide

If you need to connect to a serial device—like a router, switch, or microcontroller—from Windows ...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix OBS Black Screen After Game Capture Setup

You set up a game capture source in OBS Studio, but the preview shows a black screen. The game ru...

Fix: Microsoft Store Startup Type Not Available in Services

You open the Services console (services.msc) to adjust the Microsoft Store startup type, but the ...

Checklist for Debugging 502 Bad Gateway in Command Prompt

You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...

Fix Windows Terminal SSH Connection Timeout to Ubuntu

You try to SSH from Windows Terminal to an Ubuntu machine, but the connection times out. The erro...