Checklists for software errors, setup, and tool workflows.

How to Fix Windows Defender 504 Timeout Error

You open Windows Security or try to run a scan, and instead see a 504 timeout error. This typical...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Fix Windows Update Configuration Hangs

When Windows Update hangs on "Checking for updates" or "Configuring updates," it can leave you st...

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Windows Defender on Mac: A Troubleshooting Guide

If you're running Windows Defender on a Mac via virtualization or Boot Camp, you may run into iss...

Fix Windows Update Settings Greyed Out – Step-by-Step

You open Settings > Update & Security, and everything under Windows Update is greyed out. Buttons...