error #4000 when update OMV (after outage)

Yes, actually, we are (a lot) trying to update. But GRUB error every time (and we don't use any plugins).

We continue to searching how to fix this GRUB error.

Regard.

// Ok for GRUB problem. Here is the solution to fix the GRUB entry
https://gparted.org/display-do…ted-fix-grub-boot-problem

Be carefull to use the gparted live cd 64 bits if you use OMV 64 bits.
And use grub-install and not grub2-install

// And for the bug of DNS IP address, now if I change the DNS IP address in the interface tab, and made a cat /etc/resolv.conf, the address is the new one.
Cool the bug has disappear in OMV 3.

Thank you.
Regard.

Put to solved

No I made a mistake, and can't delete my answer, so I just put this smiley ...
Sorry about that.
And of course my NAS run with version 4, since a long time ago...

Yes I mean delete the post number 24.