I am also having trouble with the Google toolbar in Firefox. I recently installed the new version of Firefox?
We are going to ignore that fact, mainly because other Page rank Explained type documents ignore it in the calculations, and it might be confusing when comparing documents. internetmarketing
I don't know the exact timing but my toolbar problems started about the same time as I installed the new version of Firefox. The toolbar works with IE.
I think that you can't have two different PR's on two different web browsers on the same site. Probably some problem with installed software.
My experience is that my site in google page 1 , then 1 day it suddenly was on page 4, I found that in order for a website to improve or maintain it's page rank positions, . you have to continues working on the backlinks to your site. the bot always monitor backlinks