Untangle 12 update fail and Spam Blocker Lite (scan failure)

I am having problem since I used version 12. I was using version 10 and it upgraded to v12 automatically. After upgraded, I have no longer receive email. I checked the Spam Blocker Lite have (scan failure) and all email dropped. I deleted the entire VM guest and flash installed the OVA version. It seems to work a few days and the Spam Blocker lite have scan failure all the time. I have to disable to drop email if scan failure. I tried reboot many times. It doesn't seem to work again.

The second problem is the update. It doesn't work AT ALL. It tried to do it manually using this:
apt-get update --yes --force-yes

and I got this error massage:
Conflicting distribution: http://updates.untangle.com stable-120 InRelease (expected stable-120 but got crypton)

Here is the version I am using now.
Build: 12.0.0~svn20160224r42565release12.0-1jessie
Kernel: 3.16.0-4-untangle-amd64
History: yes (5)
Reboots: 2 (1)
Current active device count: 0
Highest active device count since reboot: 0