As alternative you can use:

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 eth-eu1.nanopool.org:9999 -ewal "wallet".Worker1/"mail" -epsw x -dpool stratum+tcp://xvg-blake2s.nlpool.nl:5766 -dwal "wallet" -dcoin blake2s -dpsw c=XVG -ftime 10 -tstop 85 -fanmin 60 -cclock 1130 -mclock 2110 -cvddc 900 -mvddc 900 -dcri 50