Thank you for writing.
The experienced error does not seem to be related to our controls. However, a quick search gave me the following result: http://social.msdn.microsoft.com/Forums/en-US/winformssetup/thread/ec5b2d2d-d5c5-4b6a-9987-d33125f9fdf7
. I hope that it will help you with your case.
Off topic, please use the other account of yours to post questions, since your trial support package is registered there.
the Telerik team