please help for 轉檔

lingling

i use (Xilisoft 3GP Video Converter 3.17繁體中文版)
! i# ]( G% S9 `7 ^& n* q% ^tvb now,tvbnow,bttvbi tried AVI 轉 RM,but it no picture,just got sound
! v: G  ?: N; L# D7 Dtvb now,tvbnow,bttvbdon't know what wrong?5.39.217.77  W, V& @% Y; N
why i want 轉 RM,because my hard disk full already5.39.217.77  `: e; ~8 c$ V
please help................