Help! Live update fail....

Hi , plz help !My update worked before, but after this two day, my update keep getting error.. This is my error, (Symantec network drivers file 8.0.3.4 update fail)

LuComServer version : 3.4.1.238
Patch error(s) found : 1
Failing patch(es):1235429563jtun_ensr0219.x00.full.zip.

please help me , and i don't have time to reinstall the whole norton internet security,

thank you :)