No worries… hopefully it clears up for those select users, and hopefully it’s only a few. Usually if something like this happens though, it could be a third party plugin causing an effect such as that in conjunction with whatever version of IE they are using. My guess is that they are on an older version which may not cooperate with some plugins.
With our premium themes, we offer access to site documentation, video tutorials and timely support. Even if you have just started on WordPress, our support staff have the patience to help you create appealing sites gracefully.