Keil Flash Error

Hello, i am having trouble in flashing a simple program in to a 8051 device with a usb kit. The device i am using is a  "at89c51ic2"

when i build target does not show any error or warning, but when i try to flash, this error shows up:

  • batchisp -autoisp -device AT89C51RD2 -hardware RS232 -port COM5 -baudrate 9600 -operation MEMORY FLASH LOADBUFFER "C:\Keil_v5\C51\Examples\Objects\teste.HEX" PROGRAM START RESET 00

  • --- Error: failed to execute 'batchisp -autoisp -device AT89C51RD2 -hardware RS232 -port COM5 -baudrate 9600 -operation MEMORY FLASH LOADBUFFER "C:\Keil_v5\C51\Examples\Objects\teste.HEX" PROGRAM START RESET 00'

with this i went to the "options for target" ->"utilities" to make sure but i did not found nothing :(

this is what is the box:

"-autoisp -device $D -hardware RS232 -port COM5 -baudrate 9600 -operation MEMORY FLASH LOADBUFFER "#H" PROGRAM START RESET 00"

if anyone could help finding the problem it would be great, i am losing my mind :'(

sorry for my bad english

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