.NET FRAMEWORK Samples

I have installed the Quickstart samples from the Setup page.

I have Check that MSDE is running the sample databases and IIS is running but I keep getting this error when trying to run most of the samples.

Does anyone have any advice??


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An unhandled exception of type 'System.TypeLoadException' occurred in Unknown Module.

Additional information: Declaration referenced in a method implementation can not be a final method. Type: Microsoft.Samples.Windows.Forms.Vb.MasterDetails.CustomersForm. Assembly: Dispose.