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

Windows Activation for Ubuntu Installation Guide

You installed Ubuntu alongside Windows and now Windows shows it's not activated. This is a known ...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Chrome ERR_CONNECTION_RESET on Windows 10

If you see ERR_CONNECTION_RESET in Chrome on Windows 10, it usually means the co...

How to Fix Windows Terminal JSON Schema Validation Error

If you see a JSON schema validation error when opening Windows Terminal or editing its settings f...

Complete Windows Security Setup Checklist

If you're setting up a new Windows machine or hardening an existing one, this checklist covers th...

Windows Terminal Multiple Profiles JSON Configuration Guide

If you use Windows Terminal and need to manage different command-line environments—like PowerShel...