How to sort out Subscribe widget?

Ok I have just put a subscribe widget on my sidebar. when I press it with my email address inside this is what comes up.

Thank you for your request.
charlesleahy@gmail.com
…will receive a verification message once you submit this form. FeedBurner activates your subscription to “????? ??????” once you respond to this verification message.

What’s with the Arabic? Ok I live in Dubai but did not enter any Arabic text?

Thanks any help much appreciated.