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

Fix Windows Defender Real-Time Protection Access Denied

You try to turn on Windows Defender real-time protection but get an 'access denied' message. This...

How to Fix Microsoft Store File Locked Error

If you see a 'file locked' error when trying to install or update an app from the Microsoft Store...

How to Disable Chrome DNS Prefetching (Step-by-Step)

If you've noticed Chrome making unexpected DNS requests, or you're troubleshooting slow network p...

Remote Desktop Token Expired After Password Change: Fixes

If you changed your Windows password and now remote desktop connections fail with a token expired...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix PowerShell Network Error: Permission Denied

When you run a PowerShell command to access a network share or remote system and get a 'Permissio...