nero vision ...... help please

angie1

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  b5 N' z+ B1 K, |2 e5.39.217.76i had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when
+ C$ u% {) f$ j6 F0 O' |i add file , it came out a message like this : unabe to insert C:.............- @4 ^9 |; v  ]
just cannot add, why ?
/ I( n9 ^" L; I( O3 @TVBNOW 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。can someone help please 5.39.217.76$ A! R0 e/ w" \- X, r9 @. \
thank you