nero vision ...... help please

angie1

4 m  n  S1 v# Q; x公仔箱論壇0 N# R( t% G0 C$ f3 ~) J( w6 `
i had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when1 B: d2 X$ T5 j* _+ w7 q7 I/ h
i add file , it came out a message like this : unabe to insert C:.............
+ r6 _! q3 y0 l3 E! F公仔箱論壇just cannot add, why ?4 y! @  ^# i. C! w1 |% X. c
can someone help please
& @3 T& }  P$ M. [1 g. L公仔箱論壇thank you