Error Message: User Interface Has Stopped Working

If you are seeing an error message which contains ‘User Inteface Has Stopped Working’ you have likely experienced an installation issue.

There’s nothing to worry about all you need to do is follow our uninstall & reinstall guide to restart the process.

Please select the relevant operating system version below for custom steps,

Windows 10

Windows Vista, 7 & 8

Windows XP


Cannot see your operating system on the list? Please email Support at


To reinstall your ScanGuard service, please use the available download link below: