If you have the e.dll error, you might as well throw away your computer now. Just kidding. However, it is a good sign that your computer has been recently infected with a series of Trojans, viruses, wormsm and all sorts of nasty little critters.
You will know if your computer has had the registry error version or the nasty awful version very easy. If you have any doubt, then you probably just have the registry version. The nasty version will have made browsers open up, changed your home page, slowed down your computer, and put all kinds of scum site on your screen. The registry error will have just given you an error.
Whether you had the registry error or the nasty virus/Trojan horror, you need to run ZookaWare PC Cleaner. ZookaWare PC Cleaner will remove all the registry errors and have that part running again. If all you had was registry errors, then you are through.