programming AT89C55WD error message

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Li_ereunpisan

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I have made the ASM program using keil 4, with AT89C55WD device.
rebuild results: 0 warning, 0 errors. but why when downloaded to the device so "verify fail".
I've tried several times to replace the IC it, but still can not, which is definitely not a problem of the device.
I ask, what if the outcome rebuild no error but if it can be downloaded to the device error?
please enlightenment....

 

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