There could be problems with your internet connections. Please check if anyone else has access to your user Id and password. The system does not allow more than one person to log in at the same time. In such a case you may consider changing your password.
Ours is cloud based software and it is an Android App. We do have a desktop version which once you log-in with your log-in credentials you can access it anytime, anywhere such as Facebook or your e-mail. The advantage of the Android App is that, you can download the content once and use it for the whole year.