Based on the supplied information, it is hard to determine what is causing this, and what your precise issues are. If the problem persists, you can open a formal support ticket, and provide some related details, and/or send us a small application, demonstrating your setup. We will review them locally, and advise you further.
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items.