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

Checklist for Fixing Windows Security Startup Failure

When Windows Security (formerly Windows Defender) fails to start at boot, you may see an error li...

Fix Microsoft Store 502 Bad Gateway & Permission Denied

You open Microsoft Store and see a 502 Bad Gateway error, sometimes accompanied ...

Fix 'Windows Security Authentication Failed' for Domain Credentials

How to Fix Chrome High CPU Usage Caused by Extensions

If Chrome is using an unusual amount of CPU, extensions are a common culprit. You might notice yo...

Fix Windows Terminal Service Unavailable After Update

After a Windows update, you might see an error saying the Terminal Service is unavailable. This u...

Fix Chrome Profile Error After Update: Step-by-Step Guide

After a Chrome update, you might see a message like "Your profile cannot be loaded correctly" or ...