As i'm sure you'll soon see, you now have a bit of background and you currently have the know-how to repair a system32 dll error and get back to work. Be sure you understand that although antiviral applications do away with many viruses, this software isn't able to repair the damage that those viruses cause in your registry system. Believe me (i've been there), whenever you find yourself dealing with errors be sure to run a scan to establish that you're running the latest updates of the windows os. Your windows system is very intricate, however, like most complicated systems, from time to time it's not as fool-proof or predictable as we might hope. Remember to look after your computer's "health" and well-being - should you leave too many things to chance, you can expect to see assorted difficulties to deal with.