Problem with xfilesharing free

[terli]

Hello, I would to buy xfilesharingpro but i installed test xfilesharing free, only has some trouble loading the files from PC.
During the upload appears "initializing upload" and immediately after" Transfer complete "even though the file was not transferred completely.
Basically, the bar does not display the upload.
How can I do?

The address is http://lnx.cassego.it/upload

[admin]

Please use search for words "Upload Complete".
This problem raised here million times.