Please, refer to this video
and let us know, if this approach also results in such unwanted behavior. If the issue persists, it will be appreciated if you share information about any error messages or exceptions that accompany VS's closing.
the Telerik team
Registration for Q1 2011 What’s New Webinar Week is now open. Mark your calendar for the week starting March 21st and book your seat
for a walk through all the exciting stuff we ship with the new release!