nero vision ...... help please

angie1

/ J3 K) P/ u. [6 S( wtvb now,tvbnow,bttvb
1 v% v) e+ ~) O' R$ Ei had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when
1 u9 z% i8 `8 w6 E3 o9 a8 ui add file , it came out a message like this : unabe to insert C:.............公仔箱論壇6 T3 t$ N$ c/ ^* i
just cannot add, why ?tvb now,tvbnow,bttvb7 o. I3 I; U+ u1 V# r) z
can someone help please & X) c# }) O5 V
thank you