Error when clicking on additional ftp user in plesk 11.5 in windows

[nokia_n900]

Hi,

I have a windows dedicated server with plesk control panel version 8.6 was upgraded 9.5 & then to 11.0.9. After upgrading the plesk...

[Keyon_S]

Many times we want our visitors/clients must be able to download the website contents using FTP account through FTP Client (ex. File Zilla).
...