nero vision ...... help please

angie1

2 M5 _  |& T1 y5 Y: j2 @  y5 }tvb now,tvbnow,bttvb公仔箱論壇2 D  h) R8 g4 s) L
i had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when
3 p8 U' a6 D  i  htvb now,tvbnow,bttvbi add file , it came out a message like this : unabe to insert C:............., z0 W$ l( R& L/ i
just cannot add, why ?
: u. N& T$ s" A6 ~  Y" {5 \2 \& Etvb now,tvbnow,bttvbcan someone help please
1 N. ~& k8 N  B- X( [公仔箱論壇thank you