Fatal Exception on SQL Server Project Deploy

I'm using SQL Server 2005 9.00.4035.00 (Intel X86) and Visual Studio 2008 SP1.  

I need to develop a managed stored procedure and this is just a trivial starting point for something that will become a lot more complex.  However it is failing at the first hurdle.  When I do Deploy Solution I get
"A severe error occurred on the current command.  The results, if any, should be discarded."
in the VS Error List.  

In the SQL Server log I get:
"SqlDumpExceptionHandler: Process 54 generated fatal exception c0000096 EXCEPTION_PRIV_INSTRUCTION. SQL Server is terminating this process."
and then a dump.

Any pointers, please?

using System;
using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;
using Microsoft.SqlServer.Server;
 
 
public partial class StoredProcedures
{
    [Microsoft.SqlServer.Server.SqlProcedure]
    public static void TeamChurn() {
        SqlCommand myCommand = new SqlCommand();
        myCommand.CommandText = "SELECT * FROM MCTeams";
        SqlContext.Pipe.ExecuteAndSend(myCommand);
    }
};

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