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Posted: **Sun May 26, 2019 6:03 am**

When I'm trying to turn the disk "Electrical Storm U2" into MKV, I get this error

MakeMKV v1.14.3 linux(x64-release) started
The program can't find any usable optical drives.
Opening files on harddrive at /cdrom/VIDEO_TS
Calculated BUP offset for VTS #1 does not match one in IFO header.
Failed to open disc
Opening files on harddrive at /cdrom/VIDEO_TS
Calculated BUP offset for VTS #1 does not match one in IFO header.
Failed to open disc

1. What does this mean?
2. Is there anything I can do to fix this?

Posted: **Sun May 26, 2019 4:18 pm**

The BUP Offset error, is not the problem. Happens on nearly any DVD. It's only a backup file.

I think the problem is that the content is opened on the harddive and not on an DVD drive. Do you have Debug Log (must be enabled in the settings).

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Electrical Storm U2 - BUP offset dosen't match IFO header

Electrical Storm U2 - BUP offset dosen't match IFO header

Re: Electrical Storm U2 - BUP offset dosen't match IFO header