Be sure you have the latest version of Deimos Rising - 1.0.6.
Go to the Deimos Rising folder and select the application icon by clicking on it one time, then go to the File menu to Get Info. If it is any version prior to 10.6, download the latest version.
If problems persist or you are already running the latest version, read through the rest of the FAQs for currently known issues and workarounds.
For further assistance send a question to our Support Team.