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

Fix Windows Defender Real-Time Protection Keeps Turning On

If you've disabled real-time protection in Windows Defender only to find it re-enabled after a re...

Fix Windows Update Error 0x8024402c Permission Denied

You see error 0x8024402c when checking for updates, often accompanied by “Permission denied.” Thi...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

PowerShell Script Execution Disabled: How to Enable It

If you see an error like 'running scripts is disabled on this system' when trying to run a PowerS...

Clear Chrome Token Cache to Fix Expired Error

If you see an "expired" or "token expired" error in Chrome whil...

Fix Windows Activation License Expired After Upgrade

After a major Windows upgrade (e.g., from Windows 10 to Windows 11 or a feature update), you may ...