How Does the Casimir Force Relate to the Expansion of the Universe?

[ComaBerenices]

This is just a short question, it might have been asked already but I couldn't find anything.
I read that we have attempted to reconcile the Casimir force with the observed expansion of the universe, doing this, we get a number 10^120 times too big. This is obviously a bad number to say the least. So why doesn't the Casimir force have an effect on expansion? Are there any theories that can delete that... bad number.

 

[Bandersnatch]

Have a read through this article by John Baez:
http://math.ucr.edu/home/baez/vacuum.html
It explains where the 10^120 number comes from, and why it's (quite) a bit misleading to use it.