nero vision ...... help please

angie1

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6 @% `, z: R+ n- c$ F6 q) c4 `5.39.217.76i had already converted rmvb to mpg. i use nero 8 to burn  dvd. but why when4 B/ @/ n/ ^% k0 e+ v5 W
i add file , it came out a message like this : unabe to insert C:.............tvb now,tvbnow,bttvb# t1 ^3 W0 d& @
just cannot add, why ?
, i& b& `2 D: @& W& G5.39.217.76can someone help please ; F& q4 g# C& ]
thank you