Everytime I set an overclock the program crashes. This is what's in my start.bat:

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
EthDcrMiner64.exe -epool us2.ethermine.org:4444 -ewal 0x54DAcC4a74d5C75f0184E9093c210E6313ACc6Ed.cvke -epsw x -esm 1 -mode 1 -tt 60 -cclock 1100