Hi Robert,
Sorry for the delay in replying – we have been making some changes to our support functions that have caused a few transitional issues – all is well now we are happy to report.
Regarding your trouble with the facebook plugin, can you email support@multilingualizer and we will have a look at your site and see if we can get a workaround for you.

There isn’t much that you can look out for when selecting plugins to run on your site with Multlingualizer – the best thing to do is try them and see how they go – if they have an issue like this one – contact us – we are now super fast at responding (we promise!) and we will always be happy to check it out for you.
It may be that the fix we give you can be added to the next plugin upgrade – this is great as it means no other customers encounter the issues you had.
Speak to you soon
Best regards
John