please help for 轉檔

lingling

i use (Xilisoft 3GP Video Converter 3.17繁體中文版)
* c$ n) M/ W' L1 {9 M% gi tried AVI 轉 RM,but it no picture,just got soundwww3.tvboxnow.com( I7 @. n$ H  B5 O3 n! E8 ]% S
don't know what wrong?
  O' A5 O  h" v  a) s* Rtvb now,tvbnow,bttvbwhy i want 轉 RM,because my hard disk full already) ?: J: a; U- g
please help................