FTP problems with accept certificate in TLS

[abtris]

220 ProFTPD 1.3.0 Server (Debian) [::ffff:81.0.246.29]
AUTH TLS
234 AUTH TLS successful
-1 Error querying local certificate

Freecommander 2008.6, Windows Vista 32bit

[panman]

Yes, I have the same problem in WinXP SP2. Would be nice if could be resplved in the next version.
Thank you in advance.

[Marek]

I need more details. Can you see the certificate? Can you send me some screenshots, protocol?