Thanks to the Admin...

The convert command

/usr/bin/mencoder '/home/malaysia/public_html/weddingyoutube.com/video/Christopher_1.wmv' -o /home/malaysia/public_html/weddingyoutube.com/flvideo/11973932861343806527.flv -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:l ast_pred=3 -srate 22050 -ofps 24 -vf harddup



Is not working on your server. You can ask if your web host to check if this command works on the server, if not, there will be problem with mencoder installation on the server.