On my Zonealarm control center in the upper left area my screen says "System Error:Please Reboot"

also sys "Truevector Security Service is Shut Down" when I light the icon.....
Would anyone have an idea what might be causing this?System: XP home, Intel quad, asus mobo,ATI vid, dial up internet, no other problem programs.

Operating System:Windows XP Home Edition
Software Version:
Product Name:ZoneAlarm Internet Security Suite