VRD Stopped Working

I edited a project file and decide to close the project without saving it. I went to open the the video that was created with the same project file and VRD stopped working.
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Today I load VRD and straight away I got a warning that VRD has stopped working. I closed the program. Open it again and loaded a file. Done an edit and clicked on the save button and VRD disappeared. No warning, nothing.