DVDFAB Mobile: will not let me make one VOB file

I used to be able to burn a movie into a single VOB file, but I recently reloaded DVD FAB Mobile and it will only let me burn to a VOB file that is 1 or 2 GB. Why can’t I burn to a single VOB file now?

I got it…I was pointing to a Hard drive on a computer on the network. Apparently it will not let you do 1 file for certain Hard Drives or maybe because it was saving across the network.

The Target drive must be NTFS for sizes >4GB. Never tried the network thing.