XFileSharing Free - Error: Can't connect to DB with current setting

[Juris]

Help please.
I not understand - what it means: "with current settings" which settings?
I fill enterys:
MySQL Host: localhost
Username: userxxx
pasw: paswordxxx
DB name: filebox

I not understand what is incorect.

I useing - virtual machine with Centos 6.4, and Xampp

PS. I useing linux only third day!