.bat example X11...
set GPU_MAX_ALLOC_PERCENT 100
set GPU_USE_SYNC_OBJECTS 1
Color 1E
sgminer -k darkcoin-mod -o stratum+tcp://stratum1.suchpool.pw:3328 -u ...... -p ... --no-submit-stale --worksize 64 --hamsi-expand-big 4 --xintensity 128 --thread-concurrency 8192 --gpu-threads 4 --difficulty-multiplier 2
Color worked yes

But that's all.
sgminer.exe -k darkcoin.cl worked. the problem is --difficulty-multiplier part.
http://i.imgur.com/f5A1LgY.jpg