I have tested a lot more extensions as I list here so I can promise that downloading and installing all extensions on Googlefox and restarting the browser in one go is the way to go.

Could this be the googlebrowser parts?

Sage is a lightweight RSS and Atom feed aggregator extension	extension homepage
Habari Xenu - A Cool XUL News Aggregator	extension homepage
Compact Menu is an extension for the Mozillan Browser (Firefox) and Mail client (Thunderbird) that allows you to reorganize the menu options on the menu bar in such a way that the user has more horizontal space on the menu bar to add buttons or other options.	extension homepage
StumbleUpon is a network of people and pages. It is a free tool which helps you browse, review and share webpages while meeting new people.	extension homepage
allows the current page or a selected link to be opened in Internet Explorer.	extension homepage