[Dev-C++] can't use downloaded appl

[<Bha...@cs...>]

I downloaded the application twice - once from each of the first 2 sources 
listed. Each time the download apparently completed successfully. When I 
click on the application to open it, I get a message saying "installer 
verification failed" plus text about possible causes. I have 12 Gig available 
after the download. Any suggestions on how to get it working would be really 
appreciated.

Thanks,

       Bob