Visual Studio 2010 Designer Error on Run

Question

I am using using VS2010 and if I have a form open in designer mode and run my application the designer tab will no longer show the form designer but instead an error will be di

Answer 1

I had the same problem using A control With Generics

      MvpUserControl : UserControl

what I do it's Remove the Reference and Add again, Clean and Rebuild the Solution I Hope this can be useful for anybody else