From the
release notes:
Release Update 5 (RU5)
Symantec Endpoint Protection Antivirus and Antispyware
This section describes the customer fixes for Antivirus and Antispyware since the release of MR4 MP2 (11.0.4.4200).
Home, Monitors, and Reports pages are blank on the remote console after updating Java to version 1.6 Update 11
Fix ID: 1473464
Symptom: When using a remote console, some Symantec Endpoint Protection Manager pages are blank after updating to Java 1.6 update 11.
Solution: Upgraded the version of Java Desktop Integration Components (JDIC).