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

How to Reinstall Windows Defender After Error 404

If you see a 404 error when trying to open Windows Defender, it usually means the app's files are...

Fix Chrome Token Expired on Google Services

If you see a warning that your token has expired while using Gmail, Google Drive, or other Google...

How to Enable Windows Security Real-Time Protection

If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

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...

How to Configure Windows Security to Prevent Connection Timeouts

If you're seeing frequent connection timeouts—especially when accessing shared drives, remote des...