If you could run the program before, this behavior might be encountered due to a recently installed product that interfere in this one's functionality. The best thing that you can do to fix this error, is to perform a fresh installation of hnFAP-Alert. By doing this, the program will re-configure all the system settings, and make them optimal for use (this includes the registry keys). If you can't fix the issue, contact the developer on the following website for further support.