www.makemkv.com

I assume when you say 'burn' you mean 'rip'. I also assume the extra 92 seconds at the beginning is same in both the rip from MakeMKV and the output from Handbrake.

Could it be something like is described here?: https://forum.makemkv.com/forum/viewtopic.php?f=8&t=24777


Hi dcoke22! Thank you ...

Hello. I am a complete Newb in ripping blu ray discs, so please forgive my ignorance. Today for the first time I tried to burn an R2 blu ray, and it worked just fine. I then ran it through Handbrake and everything came out very well; EXCEPT for one odd thing. There is an odd lead-in of about 92 ...