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

Fix Windows Security Error 0x80070643 on Ubuntu Dual Boot

If you see error code 0x80070643 when running Windows Security or Windows Update on a dual-boot s...

Fix Docker Exit Code 1 After Build: Common Causes & Solutions

You run docker build, it finishes, but the container exits immediately with code 1. ...

Fix PowerShell Service Unavailable on Windows 11

When PowerShell shows a 'Service Unavailable' error on Windows 11, it typically means the Windows...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Microsoft Teams Network Configuration Setup Guide

If Microsoft Teams is slow to connect, drops calls, or fails to load, your network configuration ...