Website gives me "Object reference not set to an instance of an object"

I get this message only using comodo and this particular laptop:

Object reference not set to an instance of an object.

The web pages comes out all code - i am using firefox and i think that my traffic is routed through comodo. Is it possible that comodo is makijng that happen?

Thanks!

Hello;

Could you please post a screenshot of this error; as well as post your stats (Windows Version (XP/Vista/7/ME/etc etc)

Jake