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

Fix Chrome Profile File Locked Without Deleting Profile

You try to launch Chrome and get a message that your profile is locked. This usually happens afte...

Windows Defender 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Security App Stuck on Loading Screen in Windows 10

If you open Windows Security and it sits on a spinning circle or blank screen, you're not alone. ...

Windows Security Cache Troubleshooting Checklist

Windows security cache stores credentials, tokens, and security policies to speed up authenticati...

Windows Activation Auto Start Troubleshooting Checklist

If Windows keeps prompting you to activate every time you start your PC, it's usually a sign that...