It looks like it’s working on your site now.
For anyone else experiencing problems, a new version of Sharebar is in the works and an announcement will be made on my blog, DevGrow.com, once it is complete.
Thanks for your patience!
Scratch that – it isn’t exactly the same, he has modified the plugin to include language support. I guess the best option is to contact the plugin author and request that proper credit be given for the original plugin.
I’ll update this post with my progress, in case any other plugin developers are going through a similar experience.
I have the same problem but am on WP2.6.2