Clean: Deleting intermediary and output files.
Clean: Deleted file "D:\Program Files\Microchip\MPASM Suite\LKR\Ctest.o".
Clean: Deleted file "D:\Program Files\New folder\ProjectCtest.mcs".
Clean: Done.
Executing: "C:\Program Files\Microchip\mplabc18\v3.47\bin\mcc18.exe" -p=18F452 "Ctest.c" -fo="Ctest.o" /i"C:\Program Files\Microchip\mplabc18\v3.47\inc" -w3 -Ou- -Ot- -Ob- -Op- -Or- -Od- -Opa-
MPLAB C18 3.47 (evaluation)
Copyright 2000-2011 Microchip Technology Inc.
Days remaining until evaluation becomes feature limited: 60
WARNING: Running the compiler in extended mode will not be supported when the evaluation becomes feature limited.
Executing: "D:\Program Files\Microchip\MPASM Suite\MPLink.exe" /l"C:\Program Files\Microchip\mplabc18\v3.47\lib" "D:\Program Files\Microchip\MPASM Suite\LKR\18f452.lkr" "D:\Program Files\Microchip\MPASM Suite\LKR\Ctest.o" "C:\Program Files\Microchip\mplabc18\v3.47\lib\p18f452.lib" /o"ProjectCtest.cof"
MPLINK 3.94, Linker
Copyright (c) 2005 Microchip Technology Inc.
Error - Coff file 'D:\Program Files\Microchip\MPASM Suite\LKR\Ctest.o' does not appear to be a valid COFF file.
Errors : 1
BUILD FAILED: Sun Jul 06 18:08:30 2014
My first time in C18. I have MPLAB 7.20 installed. Some ideas what I need to do to fix this failure please.