“file is too big for the disc, and do you still want to burn?”…..when I click “yes” it just cancels the whole operation.

Please use the Expert interface and select 4.0GB as "DVD-5 disc size" in the "Setup" window, and then try again. Or select the movie-only copy function. If you use the perfect 1:1 DVD copy option, you need a DVD-9 blank disc (8.5GB) to make a 1:1 copy.

Updated : Aug 06, 2021.