You should check your preferences. Firefox does infact work with
google from time to time, and further-more, I have no problems
using Firefox with Google as my homepage.
"Similar to how Firefox 2 blocks Web sites that are potentially
going to try to steal your personal information, Firefox 3 will
block Web sites that we believe are going to try to install
malicious programs on your computer," said Alex Faaborg.
If you are using this version of Mozilla Firefox and it is a
search result that is being blocked, this could be the problem. I
can't think of anything else, hope this has helped.
Check you security settings and your date and time also , some
its also cause the error!