Update after startup is dragging my system suddenly?

Hi i run nis 2010 17.7.0.12 : xp sp3 up to date no other live secrutiy.  Light start up load and never had issues till recently.  When we start up machine it takes several min of system drag for norton to update and then it runs okay.  I guess we can just hit update and wait but it never was a problem in the past.

 

Any ideas?  thanks  :)