saurobr, the quickest way to contact uxcell is to send a PM to Keith who is a member of the forum and moderates the Uxcell forum here. Use this link to message him with your problem
http://www.mympxplayer.org/privmsg.php?mode=post&u=6114
As it is Chinese New Year things may be running a bit slow for a while at Uxcell as the postal service closes for the festivities.