Failed to open disc

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greatquills
Posts: 1
Joined: Tue Jul 21, 2020 1:13 pm

Failed to open disc

Post by greatquills »

Just downloaded makemkv and it failed to open the disc. The error information was as following:
MakeMKV v1.15.1 win(x64-release) started
Downloading latest SDF to C:
Automatic SDF downloading is disabled or failed.
Using direct disc access mode
Downloading latest SDF to C:
Automatic SDF downloading is disabled or failed.
Calculated BUP offset for VTS #0 does not match one in IFO header.
Calculated BUP offset for VTS #1 does not match one in IFO header.
IFO file for VTS #1 is corrupt, VOB file must be scanned. This may take very long time, please be patient.
Failed to open disc

What is the problem?
Woodstock
Posts: 9912
Joined: Sun Jul 24, 2011 11:21 pm

Re: Failed to open disc

Post by Woodstock »

The inability to download the SDF file should be addressed, but it does not affect DVD operation.

What is a problem is that your drive cannot read parts of the disk itself; usually this is because of contamination on the disk, or even scratches. Cleaning the disk is your first step.
MakeMKV Frequently Asked Questions
How to aid in finding the answer to your problem: Activating Debug Logging
neo305
Posts: 4
Joined: Thu Jul 16, 2020 10:33 pm

Re: Failed to open disc

Post by neo305 »

i ripped my first 4k disc, now any disc i insert makemkv say " No Disc" after loading
Woodstock
Posts: 9912
Joined: Sun Jul 24, 2011 11:21 pm

Re: Failed to open disc

Post by Woodstock »

"No disk" means the operating system doesn't see the disk change.

If you close MakeMKV and restart it, does the disk load? Can you access the disk directories using Explorer?
MakeMKV Frequently Asked Questions
How to aid in finding the answer to your problem: Activating Debug Logging
neo305
Posts: 4
Joined: Thu Jul 16, 2020 10:33 pm

Re: Failed to open disc

Post by neo305 »

I got it. Apparently plugging back in my burner it updates it so I had to flash it again. Any idea how to avoid it doing that again?
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