Invalid Checksum after reboot

[Chasm]

Hi all,

I've been using Veracrypt with a hidden volume on an external USB drive running under Tails OS for 3 months or so. It works as advertised.

The other day I had the hidden volume open and had written smallish text files in most directories. I forgot to unmount it before I hit the 'update Tails to latest (3.8)' button and left it overnight. When I returned I hit 'reboot'. Then when I tried to open the hidden volume it eventually came up saying:

ERROR: '<user directory="">' has invalid checksum (0x1234 != 0x1324)</user>

And it wouldn't mount.

When I say 'forgot to unmount it', i have not had any bad experiences so far. I've had to cold boot my box with the external hidden drive mounted and new files on it a number of times. It always came up no problems.

But this time it has failed.

Is there any way to recover this? I have a backup so have most of the files. I had reordered content so hoping that there is some way to get around this problem. Ideas?

Thanks!

[Chasm]

Howdy,

Is there any thoughts about this problem? It makes it look like Veracrypt is fragile.

Is the checksum a critical aspect of the overall encryption or can i get the contents of everything else but the one directory that has this error?

Thanks!