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

Fix Windows Security High CPU Usage and Slow PC

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix PowerShell Cannot Connect to Localhost Due to Firewall

When you try to connect to a local service (e.g., a web server, database, or custom application) ...

Fix Windows Update Not Downloading: Permission Errors

When Windows Update fails to download files and shows errors like 0x80070005 or 0x80070020, the c...

Step-by-Step Command Prompt Setup Guide

Command Prompt is a built-in Windows tool for executing commands. This guide covers how to open i...

Cloudflare SSL Certificate Installation Steps

If you're seeing SSL errors after setting up Cloudflare, or your site shows a mixed content warni...