problem with bookmark addons in Portable Firefox 3.0.10

I am having a problem since upgrading to Portable FF 3.0.10. My Gbookmarks button does not display the bookmarks anymore. When I try to log in through the button I get an error message saying ‘could not log in, check password’. But, if I go to Google page and then log in from there I am able to log in. After that clicking on the bookmarks button shows that I am logged in, but it does not display the bookmarks. I have tried to remove and uninstall the button and I have tried using another button called 'Deng Google Bookmarks' but all have the same problem.

Please help.

Thanks in advance.