By Safelife I assume you mean Livesafe? That's a totally different product from Antivirus Plus. Livesafe is one of the high-end applications that covers many different machines, appliances etc. and Antivirus Plus is usually 1 machine only and basic virus and firewall protection only.
Any subscription enquiries can be made by phone, free of charge, through Customer Service, see the link under Useful Links at the top of this page.
You could try running the Virtual Technician to see if it fixes any issues automatically: http://mvt.mcafee.com/