Hex file generated with same programe file but now it shows exceed 2kb error

hello my name is Prashant. i stored my original c file. and was generating hex file to load in Nuvoton W79E2051AKG. but once my Laptop formated. i install keil again. and now generating Hex file with same programe file. but now hex file show error of exceed 2KB. please please help me out for this issue. and provide soultion wether any setting changed in keil that create such issue. please help me out. 

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