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

Fix Windows Defender Real-Time Protection Greyed Out

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...

Fix OneDrive Not Syncing After Windows 10 Update

After a Windows 10 update, OneDrive may stop syncing entirely or show errors like "Changes haven'...

Fix Windows Defender Security Center Not Opening

When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...

How to Fix Windows 11 Activation Error 0xc004c003

If you see error 0xc004c003 when trying to activate Windows 11, it usually means the activation s...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fixing VS Code Extension Host Termination on Remote SSH

If you're using Visual Studio Code with the Remote - SSH extension and see a message like E...