WinCNC inserting G0Z99999.990F25 ?

[abelloise]

I use ArtCam and when I save my toolpaths I get this:
G90
G0Z99999.990F25
G0X99999.990Y99999.990F25

in the first three lines (raising my z beyond its capabilities)...I have to remove the second and third line for it to work correctly.
Can someone see anything wrong in the wincnc post processor below?

;
; G - Code configuration file
;
; History
;
; Who When What
; === ======== ========================================
; TM 13/05/99 Written
; BEM 20/05/99 Removed line numbers
; JAB 16/10/00 Edited for Warthog
; SP 07/11/00 Added DESCRIPTION and FILE_EXTENSION fields
;
DESCRIPTION = "Wincnc (inch) (*.tap)"
;
FILE_EXTENSION = "tap"
;
UNITS = INCH
;
; Cariage return - line feed at end of each line
;
END_OF_LINE = "[13][10]"
;
; Block numbering
;
;
; Set up default formating for variables
;
; Line numbering
FORMAT = [N|@|N|1.0]
; Feed Rate
FORMAT = [F|#|F|1.1]
; Tool moves in x,y and z
FORMAT = [X|#|X|1.3]
FORMAT = [Y|#|Y|1.3]
FORMAT = [Z|#|Z|1.3]
;
; Set up program header
;
START = "G90"
START = "G0[Z]F25"
START = "G0[X][Y]F25"
;
; Program moves
;
RAPID_RATE_MOVE = "G00[X][Y][Z]F25"
FIRST_FEED_RATE_MOVE = "G01[X][Y][Z][F]"
FEED_RATE_MOVE = "[X][Y][Z]"
;
; End of file
;
END = "G0[Z]"
END = "G0X0Y0"

[postalgbv]

seems like your model origin is way off or something. I don't see anything wrong with the postp as far as I can tell. Have you tried saving it using some different postprocs to see if it still does these massive moves?