We are sorry to hear that you have problems with our RadControls. However we will be glad to assist you in resolving them if you provide us more information on the specific issues.
Let us know if you need further assistance.
the Telerik team
Register for the Q2 2011 What's New Webinar Week. Mark your calendar for the week starting July 18th and book your seat for a walk through of all the exciting stuff we will ship with the new release!