Hi
Pleasee see below.
10.4.1MP2
Drive Encryption
Symantec Encryption Desktop users can now successfully authenticate at PGP
BootGuard using a keyboard layout other than English (US). [3993536]
Messaging
Symantec Encryption Desktop now blocks the encrypted emails until PGP Tray
launches. After the launch of PGP Tray, Symantec Encryption Desktop allows
the blocked emails to be sent securely. [3676659]
In an email environment with multiple mailboxes configured to an Outlook profile,
a Non-Delivery Receipt email is now sent only to the sender. [4106127]
Caution: Symantec does not recommend creating multiple mailboxes under an
Outlook profile because data loss might occur.
10.4.1MP2HF1
security issues
CVE-2017-13679
CVE-2017-13682