Greetings,
I am using a licensed version (7.31) of Debut, which generally is a well-designed and well-behaved program.
However there is one small but annoying bug that occurs on the rare occasion, which is the failure to finish the recording sequence on pressing Ctl+F10, and instead give the warning "Recording very short videos in some codecs can produce invalid movies", despite the recording time being in the 5-10 minute range. Checking the directory also shows no file at all has been saved (unlike a "normal" too-short recording duration, which normally leaves a file of a size around 10-20KB).
At first I assumed the fault was mine and I was not pressing the correct key combo (ctl+F9) to start recording, after which time I would always watch for the blue dotted lines around the capture area, to confirm I didn't mis-press the start key-combo.