thanks frank...here is the source of the program.....is downloaded from the net...
; hi.asm - simple "hello world" program
; assemble with "nasm -f bin -o hi.com hi.asm"
org 100h ; inform Nasm this is a .com file
; int 21h is going to want...
mov dx,msg ; the address of or message in dx
mov ah,9 : ah=9 - "print string" sub-function
int 21h ; call dos services
mov ah,4Ch ; "terminate program" sub-function
int 21h ; call dos services
msg db 'Hello, World!',0Dh,0Ah,'$' ; $-terminated message
as i sad,it's downloaded from the net...and from what i remeber i get this error at other programs too...Can u help me,please?