i made a file for you
download this attached file (Cable & DSL 256 64.zip) and unzip it to C:ProgramCablenut
now open cablenut adjuster, click delete cablenut tweaks so all fields is blank, click save to registry
now go to top left corner, click file, click load custom settings file, browse to C:ProgramCablenut and dubbleclick on Cable & DSL 256 64.ccs
now you see alot of values in adjuster, click save to registry again
now reboot your pc and make a new speed test
VanBuren