If security is switched off then it works correctly.
ios 12 on iPhone6.
Best answer by Ssherjj
Welcome to the Webroot Community,
Sorry to hear that you are having issues.
Would you uninstall SecureWeb from your device and then reinstall from the Apple Store
See if the crashing still occurs. If it does Please Contact Webroot Support and they can help you to get this straightened out. This is a free service.
Submit a ticket
or Call 1-866-612-4227