Just add either -d1 or -d2 to your command your currently trying to execute.
To simplify it a little just run a benchmark for now.
oclHashcat64.exe -b -m 0 -d1
or
oclHashcat64.exe -b -m 0 -d2
To simplify it a little just run a benchmark for now.
oclHashcat64.exe -b -m 0 -d1
or
oclHashcat64.exe -b -m 0 -d2