I had the same problem with the camera stopped recording... pictures good before it stopped... I played around with the settings but the thing that worked with me is this... I am using the 32gb sd card that came with the unit and formatted it using SDFORMATTER to FAT32... Then I put the latest flash update on the sd card and placed the sd card in the reader that looks like a martian head... When you turn the unit on,,, give it time to load the sw and ride... I took my scoot out for about an hour ride and when I got home,,, I had 5 film clips... I tested them each and all seemed to record OK... I have put the sw back on the sd card after removing the film clips...
I feel there is a software bug in the file close routine but will leave that up to the sw team in China...
I have run several times loading the sw each time(you should only have to load it once and done) I have formatted the sd card and it works fine... Hope that helps...