Nortion Liveupdate Problems

Morning All, Before eveyone say so, I know That Nortons not the best AV/IS program, but it came with PC and using untill expires. OK to the problem,,,Every Morning I do my usual LIVE UPDATE and retrieved 3 updates for AV / and Internet security. after recieving the updates went to install,,,and it hangs up,,when I quit program and just relaod to desktop,,,it says on AV panel, updating,,,but doing nothing at all...Any Advise PLEASE !!!
Thanks in advance, Glenn

P4 HT Tech 2.8mhz 1gig ram OS Windows XP on NT platform SP2 installed.

 

Re-install NAV's and the Symantec shared components if you can, it used to happen to me all the time when i used it. Alternativly try searching their knowledge base at www.symantec.com