Version 2.0.0 won't open the disk structure (bug?)

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dom61
Posts: 51
Joined: Sun Oct 25, 2009 4:54 pm
Location: Italy

Version 2.0.0 won't open the disk structure (bug?)

Post by dom61 »

Good morning.
The new 2.0.0 release can't open the disk structure; it freezes, and I don't know why.
I had to revert to release 1.18.4, which works perfectly.
Thank you.

Version 2.0.0
Image

Version 1.18.4
Image
Ugoos AM6B Plus | Remote control G20S PRO Plus | Splitter HDMI HDFury AVR-KEY | Display LG 65B6V | Cables HDMI KabelDirekt Pro series | Audio processor Yamaha RX-V775 | Rotel RMB-1075 | Storage Qnap Ts-431K +TL-D800C |
My PC Ryzen 7950X
cassiusdrow
Posts: 2
Joined: Thu Aug 07, 2025 10:19 pm

Re: Version 2.0.0 won't open the disk structure (bug?)

Post by cassiusdrow »

I'm having the same issue. MakeMKV gives the message "AACS directory not present, assuming unencrypted disc", then hangs for several seconds, then gives a popup with message "Fatal error occurred, program will now exit." I assume these are the same messages as above.

These items failed with the error, all with no AACS folder:

1. Bluray iso disc images (never encrypted)
2. Bluray BDMV folders (never encrypted)
3. Bluray iso disc images (unencrypted by AnyDVDHD)
4. Bluray iso disc images (unencrypted by Xreveal)

These items succeeded:

1. Physical Bluray discs (encrypted, has AACS folder)
2. DVD iso images (unencrypted by AnyDVDHD and Xreveal)

All of the items work fine in 1.18.4.
Het Beest
Posts: 2
Joined: Fri Dec 29, 2017 11:52 am

Re: Version 2.0.0 won't open the disk structure (bug?)

Post by Het Beest »

cassiusdrow wrote: Sat Sep 26, 2026 6:05 pm These items failed with the error, all with no AACS folder:

3. Bluray iso disc images (unencrypted by AnyDVDHD)
4. Bluray iso disc images (unencrypted by Xreveal)

These items succeeded:

1. Physical Bluray discs (encrypted, has AACS folder)
I can confirm these three, same here. Working with Windows 11.
dom61
Posts: 51
Joined: Sun Oct 25, 2009 4:54 pm
Location: Italy

Re: Version 2.0.0 won't open the disk structure (bug?)

Post by dom61 »

I'm wondering if this is the right place to open a ticket, or if there's a specific section for that.
Thank you
Ugoos AM6B Plus | Remote control G20S PRO Plus | Splitter HDMI HDFury AVR-KEY | Display LG 65B6V | Cables HDMI KabelDirekt Pro series | Audio processor Yamaha RX-V775 | Rotel RMB-1075 | Storage Qnap Ts-431K +TL-D800C |
My PC Ryzen 7950X
Nucleus
Posts: 70
Joined: Sat Feb 20, 2021 10:58 am

Re: Version 2.0.0 won't open the disk structure (bug?)

Post by Nucleus »

Exact same issue here with multiple discs in v2.0.0, discs are clean. Is this fixed yet or does anyone know a workaround?

Edit: Exact same discs rip perfectly in older v1.1.8.4

Code: Select all

https://makemkv.com/download/old/
Image

Image
Windows:
Identifying The Correct Title To Rip: Process Monitor Method - GetMPLS Method
Mux/Remux: Set A Subtitle Stream On By Default (Forced)
Sayaka
Posts: 351
Joined: Sat Feb 28, 2026 3:00 pm

Re: Version 2.0.0 won't open the disk structure (bug?)

Post by Sayaka »

2.0.0 appears to be very buggy, the only known workaround for these bugs at the moment is to downgrade to 1.18.4 or an even earlier version (and to use either the current beta key or a previously purchased permanent key).
cbusillo
Posts: 1
Joined: Sun Oct 18, 2026 1:12 am

Re: Version 2.0.0 won't open the disk structure (bug?)

Post by cbusillo »

Same crash here with 2.0.0 on macOS. makemkvcon segfaults on any Blu-ray image or folder that has no AACS directory. It logs "AACS directory not present, assuming unencrypted disc" and then crashes (exit 139).

What I tested:
- Four decrypted Blu-ray images: two 3D, one UHD, and a backup MakeMKV made itself.
- Both iso: and file: sources.
- macOS 26.7.1 and 27.2, with both the arm64 and x86_64 builds.
- With and without a registration key.

All of them crash in 2.0.0. The same images read fine in 1.18.4 with a key.

The crash log shows a null pointer read inside makemkvcon. I can send it, or test a fix build, if that helps.
Caffeine
Posts: 5
Joined: Mon Dec 11, 2023 11:17 pm

Re: Version 2.0.0 won't open the disk structure (bug?)

Post by Caffeine »

Perhaps interesting here is that the v2.0.0 file size was lower than all previous versions, bucking the trend of gradually increasing file sizes. My thought is that it's a bad build, missing something. Perhaps a "clean-up" was done for 2.0.0 and something was inadvertently removed. All on Windows 11:

v2.0.0: 14,781 KB

v1.18.4: 16,048KB
v1.18.3: 15,965KB
V1.18.2: 15,220KB
v1.17.9: 15,081KB
V1.17.2: 14,784KB