nero vision ...... help please

angie1

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* \4 |, C0 Q8 v9 Etvb now,tvbnow,bttvbi had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when
* |, N* v, A6 a  N# O" `www2.tvboxnow.comi add file , it came out a message like this : unabe to insert C:.............
4 Y& A. f) x  c; r) j8 q% A2 ~tvb now,tvbnow,bttvbjust cannot add, why ?( ~4 u' M) g' }+ c$ W0 R
can someone help please 4 g- A2 n0 H5 Y2 g
thank you