nero vision ...... help please

angie1

8 L* q( M  p% g, `% h9 \$ Ctvb now,tvbnow,bttvb
( @" [3 d+ j% b' ]& Ttvb now,tvbnow,bttvbi had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when
. w$ q" ~7 Q# _4 w% H  ni add file , it came out a message like this : unabe to insert C:.............
$ T3 T( l6 e. ]5 ^just cannot add, why ?$ x7 W% S+ z- Z  D3 m0 Q
can someone help please
2 `. u/ s2 f6 W公仔箱論壇thank you