Make: The target "C:\W400\ex1.o" is up to date. Make: The target "C:\W400\ex1.cof" is out of date. Executing: "C:\Program Files\Microchip\MPASM Suite\mplink.exe" "C:\Program Files\Microchip\MPASM Suite\LKR\rm18f4550.lkr" "C:\W400\ex1.o" /m"ex1.map" /o"ex1.cof" MPLINK 4.01, Linker Copyright (c) 2005 Microchip Technology Inc. Error - could not find file 'c018i.o'. Errors : 1