I bought PICkit3 and 44-pin demo board made by Microchip
It is describe here
 http://ww1.microchip.com/downloads/en/DeviceDoc/41296B.pdf

I tried this simple program

######################
  #include <p18F45k20.inc>

	MOVLW 0x03
	GOTO $
 	END
#####################

Here is the project built output

----------------------------------------------------------------------
Debug build of project `C:\PIC\projects\DEMO.mcp' started.Language tool ver=
sions:=20
MPASMWIN.exe v5.43, mplink.exe v4.41, mplib.exe v4.41Preprocessor symbol=20
`__DEBUG' is defined.
Target debug platform is `__MPLAB_DEBUGGER_PK3=3D1'.
Debug platform options are: `__ICD2RAM=3D1'.
Sat Oct 22 09:30:10 2011---------------------------------------------------=
-------------------
Clean: Deleting intermediary and output files.
Clean: Deleted file "C:\PIC\projects\Demo.o".
Clean: Deleted file "C:\PIC\projects\Demo.err".Clean: Deleted file=20
"C:\PIC\projects\Demo.hex".
Clean: Deleted file "C:\PIC\projects\Demo.lst".Clean: Deleted file=20
"C:\PIC\projects\Demo.cof".Clean: Done.
Executing: "C:\Program Files\Microchip\MPASM Suite\MPASMWIN.exe" /q /p18F45=
K20=20
"Demo.asm" /l"Demo.lst" /e"Demo.err" /d__DEBUG=3D1=20
/d__MPLAB_DEBUGGER_PK3=3D1Executing: "C:\Program Files\Microchip\MPASM=20
Suite\mplink.exe" /p18F45K20 "Demo.o" /u_DEBUG /u_DEBUGCODESTART=3D0x7dc0=20
/u_DEBUGCODELEN=3D0x240 /u_DEBUGDATASTART=3D0x5f6 /u_DEBUGDATALEN=3D0xa=20
/z__MPLAB_BUILD=3D1 /z__MPLAB_DEBUG=3D1 /z__MPLAB_DEBUGGER_PK3=3D1=20
/z__ICD2RAM=3D1 /o"Demo.cof" /M"Demo.map" /W /xMPLINK 4.41, LinkerDevice=20
Database Version 1.5Copyright (c) 1998-2011 Microchip Technology Inc.Errors=
    :=20
0Loaded C:\PIC\projects\Demo.cof
..----------------------------------------------------------------------
Debug build of project `C:\PIC\projects\DEMO.mcp' succeeded.
Language tool versions: MPASMWIN.exe v5.43, mplink.exe v4.41, mplib.exe v4.=
41
Preprocessor symbol `__DEBUG' is defined.
Target debug platform is `__MPLAB_DEBUGGER_PK3=3D1'.
Debug platform options are: `__ICD2RAM=3D1'.
Sat Oct 22 09:30:14 2011
----------------------------------------------------------------------
BUILD SUCCEEDED




But it is not possible to debug it, please see below


Target Detected
Device ID Revision =3D 00000019
Running..
..PK3Err0040: The target device is not ready for debugging.
Please check your configuration bit settings and program
the device before proceeding.




Can anyone help?
Where can be a problem?
Thanks


L.

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.