The code of UnityEditor C#. Unity 4.2.x. Run with Mac works. Run with Windows does not works.

Unity's editor code

	public static string Decompress(string s) {
	    var bytes = Convert.FromBase64String(s);
	    using (var msi = new MemoryStream(bytes))
	    using (var mso = new MemoryStream()) {
	        using (var gs = new GZipStream(msi, CompressionMode.Decompress)) {
	        	CopyStream(gs, mso);
	        }
	        return Encoding.Unicode.GetString(mso.ToArray());
	    }
	}

System.DllNotFoundException: MonoPosixHelper
will raise.