OpenNETCF.Net.Ftp.FTPWebResponse(): NullReferenceException

Question

I have some problem when use Compact Framework and OpenNETCF.Net.Ftp lib

I upload file to open ftp (test serv in web) and try to connect to ftp and read data, but have exception. For example ftp://ftp.asu.ru/ Maybe who is know what my problem??? My code and screenshots:

//I use any open ftp and any file for test
Uri uri = new Uri(@"ftp://ftp.asu.ru/incoming/01/WebApp.zip");
FtpRequestCreator creator = new FtpRequestCreator();
FtpWebRequest.RegisterPrefix("ftp:", creator);
//right here, when create object, i think that i have a some problem - scr one
FtpWebRequest fwr = (FtpWebRequest)WebRequest.Create(uri);
fwr.Passive = true; 

try
 {
 using (
 //Exception to here - scr 2, 3
 FtpWebResponse response = (FtpWebResponse)fwr.GetResponse())
 ...

Stack trace:

 Exception NullReferenceException: at
 OpenNETCF.Net.Ftp.FtpWebRequest.SendCommand(String method, String parameter) at 
 OpenNETCF.Net.Ftp.FtpWebRequest.OpenPassiveDataConnection() at 
 OpenNETCF.Net.Ftp.FtpWebRequest.OpenDataConnection() at 
 OpenNETCF.Net.Ftp.FtpWebRequest.GetResponse() at 
 WmAutoUpdate.TransferManager.downloadFile(String url, Stream& s, String path, TransferProgress del) at 
 WmAutoUpdate.Updater.CheckForNewVersion() at 
 WmAutoUpdateExample.Program.Main()

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