Is most cases this happens when a third party application has been used with the WebMonitor executable (.exe), such as a Protector/Crypter.
Please, try the features over without the use of a Protector/Crypter. Keep in mind that services provided by RevCode are not intended to be used with a third party application. You are responsible for ensuring the compatibility of any third party application that you with wish to use with any of our services.
NOTE: You should always try the features without the use of a third party application, such as a Protector/Crypter, before proceeding to ask for support.