www.makemkv.com

Found on Alien Romulus 4K UHD:

001011:0000 Using LibreDrive mode (v01.0 id=489CDFD6D392)
003007:0000 Using direct disc access mode
005085:0000 Loaded content hash table, will verify integrity of M2TS files.
DEBUG: Code 2147483648 at 2g`y)1d*msr{}#Bb:121265499
003332:0000 Saved AACS dump file as file://C:\Users\xxx/.MakeMKV/MKB20_v77_Alien-_Romulus_7591.tgz
003303:0000 The volume key is unknown for this disc - video can't be decrypted
DEBUG: Code 0 at `{q#WHE]"p5'4|CK:213132721
DEBUG: Code 0 at `{q#WHE]"p5'4|CK:213131341
005010:0000 Failed to open disc
001011:0000 Using LibreDrive mode (v01.0 id=489CDFD6D392)
003007:0000 Using direct disc access mode
005085:0000 Loaded content hash table, will verify integrity of M2TS files.
DEBUG: Code 2147483648 at 2g`y)1d*msr{}#Bb:121265499

Just fyi. The HD bluray is fine. I can rip that. Let me know if you need any further info from me

thanksforallthefish wrote: ↑

Mon Aug 18, 2025 7:19 pm

003332:0000 Saved AACS dump file as file://C:\Users\xxx/.MakeMKV/MKB20_v77_Alien-_Romulus_7591.tgz

You need to email that MKB20_v77_Alien-_Romulus_7591.tgz file to svq@makemkv.com. And could you also upload it into (say) OneDrive or Google Drive please, and then reply here with a public download link? This would help people try to add your disk to the public KEYDB.cfg file as well.