haven't seen with ours..what's the components you have installed?
You'll need to contact support and they will work with you to get the necessary dump/logs to troubleshoot.
How to create a new case in MySymantec
http://www.symantec.com/business/support/index?page=content&id=TECH58873
Phone numbers to contact Tech Support:
Regional Support Telephone Numbers:
United States: https://support.broadcom.com (407-357-7600 from outside the United States)
Australia: 1300 365510 (+61 2 8220 7111 from outside Australia)
United Kingdom: +44 (0) 870 606 6000
Additional contact numbers: http://www.symantec.com/support/contact_techsupp_static.jsp