nero vision ...... help please

angie1

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i had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why whentvb now,tvbnow,bttvb$ L( j: e) ]7 N
i add file , it came out a message like this : unabe to insert C:.............
, R& ]/ s) [8 l& oTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。just cannot add, why ?
7 @5 K7 q- {  ycan someone help please
& y, i: D) ~3 b/ v& Vthank you