help?

setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
microCoinminer.exe -o stratum+tcp://mrc.minersbest.com:10466 -u xxx -p xxx --scrypt --Nfmin 4 --Nfmax 30 --StartT 1389028879 --queue 0 --scan-time 2 --expiry 4 --thread-concurrency 16384 -I 15 -g 1 -w 256