As far as I can see, you have an active trial license, so you are eligible to use our support ticket system. It supports file attachments up to 20MB and it also supports archive formats (*.zip / *.rar). Would it be possible for you to send us a runnable sample project that we can debug on our side? We will send you an updated version or we will give you guidance how to proceed, as soon as we manage to pinpoint the issue.
Check out the Telerik Platform - the only platform that combines a rich set of UI tools with powerful cloud services to develop web, hybrid and native mobile apps.