Mensagem de erro quando executa uma aplicação ou tenta aceder a um Web site num computador com uma determinada actualização de software do .NET Framework 2.0 instalada: "Culture name 'Culture' is not supported"

using System;
using System.Globalization;

public class MakeCultures
{
    static void Main()
    {
        CreateCopyCulture("en-029", "en-CB");
        CreateCopyCulture("az-Latn-AZ", "az-AZ-Latn");
        CreateCopyCulture("uz-Latn-UZ", "uz-UZ-Latn");
        CreateCopyCulture("sr-Latn-CS", "sr-SP-Latn");
        CreateCopyCulture("az-Cyrl-AZ", "az-AZ-Cyrl");
        CreateCopyCulture("uz-Cyrl-UZ", "uz-UZ-Cyrl");
        CreateCopyCulture("sr-Cyrl-CS", "sr-SP-Cyrl");
        CreateCopyCulture("bs-Cyrl-BA", "bs-BA-Cyrl");
        CreateCopyCulture("sr-Latn-BA", "sr-BA-Latn");
        CreateCopyCulture("sr-Cyrl-BA", "sr-BA-Cyrl");
        CreateCopyCulture("bs-Latn-BA", "bs-BA-Latn");
        CreateCopyCulture("iu-Latn-CA", "iu-CA-Latn");
        CreateCopyCulture("dv-MV", "div-MV");

         
    }

    static void CreateCopyCulture(string strRealName, string strAliasName)
    {
        try
        {
            // Create a new culture based on the old name
            CultureAndRegionInfoBuilder carib = new CultureAndRegionInfoBuilder(
                strAliasName, CultureAndRegionModifiers.None);

            carib.LoadDataFromCultureInfo(new CultureInfo(strRealName));
            carib.LoadDataFromRegionInfo(new RegionInfo(strRealName));

            carib.Register();

            // Change the existing culture's parent to the old culture
            carib = new CultureAndRegionInfoBuilder(strRealName, 
                            CultureAndRegionModifiers.Replacement);

            carib.Parent = new CultureInfo(strAliasName);
            carib.Register();

            // Verify they're registered...
            CultureInfo ci = new CultureInfo(strAliasName);
            Console.WriteLine("Aliased culture {0} has parent of {1}.", ci, ci.Parent);
            ci = new CultureInfo(strRealName);
            Console.WriteLine("\"Real\" culture {0} has parent of {1}.", ci, ci.Parent);
        }
        catch (Exception e)
        {
            Console.WriteLine("Unable to create custom culture " + strAliasName);
            Console.WriteLine(e);
        }
    }
}