New precomp and srep looks they work great
but what about command in .bat file?
i try it the old command fro 038 version
"precomp042.exe -slow -c6 -m8 -oData.arc Data.pcf"
only pop up and close any ideas?

try it even:
"precomp042.exe -slow -c6 -m8 -oData.pcf Data.arc"
not help too