Hello Garry Clark,
Indeed this is a problem with VS2010, it seems the Microsoft.VisualStudio.TextTemplating assembly is not available there (as it is in VS2008) but is needed by the Check settings wizard. We have already addressed this issue by removing the dependency to the TextTemplating assembly but the fix is not publicly available yet. We already started testing the new Service pack and it should be available in a few days, with this fix included.
At this point you will have to update the OpenAccess references of your project manually or open and upgrade the project in Visual Studio 2008, the wizard should work there.
Please excuse us for the inconvenience caused.
the Telerik team
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