nero vision ...... help please

angie1

5 C( o3 R) N: k) Z; a- u" [tvb now,tvbnow,bttvb; o$ i0 J8 m3 @; T% K: O. u
i had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when5.39.217.76( u5 ^: ^7 O' l& ?7 [
i add file , it came out a message like this : unabe to insert C:.............tvb now,tvbnow,bttvb2 L( m- q5 ^! J
just cannot add, why ?
+ |* _% ^7 M/ l3 T. ~can someone help please
7 Q, d# G  Q: o+ [# utvb now,tvbnow,bttvbthank you