As Paul (from your link)mentioned
create this key
HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\Symantec Endpoint Protection\LiveUpdate\Schedule\
Subscibe to the notifications, should be fixed in comming relase or support rep can tell you on which version this issue is fixed
You need to subrcrible for the latest releases.
link is here
How to receive notification of when a new product is released
http://www.symantec.com/docs/TECH105781