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

Fix Windows Defender 404 Error in Command Prompt

When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...

How to Fix Microsoft Store Auto-Start Not Working in Windows 11

If you rely on the Microsoft Store to launch automatically when you start Windows 11, only to fin...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Fix Outlook Data File Sync Error: Cannot Access

You try to open Outlook and get a message that the data file cannot be accessed due to a sync iss...

Windows Security DNS Error Troubleshooting Checklist

If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...

Fix OneDrive Sync Crash on Windows 10: Step-by-Step Guide

OneDrive suddenly crashing during sync on Windows 10 can interrupt your workflow. You might see a...