Open PowerShell with administrator privileges and run the following commands:

sc.exe stop "Guardz Agent"

sc.exe delete "Guardz Agent"

Open Settings and navigate to Apps > Installed Apps and delete the Guardz Agent app.

Open File Explorer and delete the following directories:

%SystemRoot%\System32\config\systemprofile\AppData\Roaming\com.guardz

%ProgramData%\com.guardz

Open Terminal and run the following commands:

sudo launchctl bootout system/com.guardz.daemon

sudo rm -r /var/root/Library/Application\ Support/com.guardz

sudo rm -r /var/root/Library/Logs/com.guardz

sudo rm -r /Library/Application\ Support/com.guardz

Open Finder and navigate to the /Applications folder.

Right-click the Guardz Agent app and select Move to Trash.