PolicyException
The exception that is thrown when policy forbids code to run.
                using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
namespace System.Security.Policy
{
    [Serializable]
    [TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
    public class PolicyException : SystemException
    {
        public PolicyException()
        {
        }
        protected PolicyException(SerializationInfo info, StreamingContext context)
            : base(info, context)
        {
        }
        public PolicyException(string message)
            : base(message)
        {
        }
        public PolicyException(string message, Exception exception)
            : base(message, exception)
        {
        }
    }
}