Problems Downloading iTunes 7?

I tried Downloading Itunes i had it run instead of having it save and it took an Hour and a half! I was using Dial up. After it finished than it asked to run it. I clicked to run and than i got this message Not a Valid Win32 application. I tried re-downloading it! Now that i'm back on my DSL and I can't Nor can i find it to delete and try agian it just keeps telling me the same thing! I want to delete what I downloaded to the temporary internet file and try agian but it is not working! Any suggestions?