The new GenSmarts.com website broke links used by customers who had configured GenSmarts to use "BROWSE" mode rather than "SMARTSEARCH" (typically done to use a browser other than IE for GenSmarts initiated searches. This update fixes those links and few other synchronization issues with the new GenSmarts.com website.
If GenSmarts itself doesn't prompt you, you can always get the latest "recommended/stable" version at this link:
Once downloaded, with GenSmarts closed, you can simply install "over the top" of what you have.
FYI - the exception to the above would be if you have a "special edition" of GenSmarts. See this post if you think you might have one of these special editions.