I'm sure you have gotten a "missing .dll file" when you try to run a program at one time or another.
Well just incase you already dont know, www.dll-files.com has a data base of almost every .dll file knowen to man. And best of all, thiers no membership, or fee's. Its all free!
just donwload the file and use WINZIP or WINRAR to extract it into your C:/Windows/System directory.