I would agree with you that dynamically loading the DLL could be the cause of the problem. Have you tried getting a hold of PreEmptive Solutions?

>We are using the Beta 2003... The application is always using reflection to dynamically load DLL, and it could be obfustcating the class names and having a problem there.
>
>But I've tried using the Dotfuscator, and excluding the web references and class names and still no luck at all.
>
>Morgan