Hello. I am starting a cudaminer because i have an nVidia card with this seting
cudaminer.exe -o stratum+tcp://stratum.bitcoin.cz:3333/ -O username:pass
but i always get a message:
GPU #0: GeForce GT 650 Ti, 1658924 hashes, 50.13 khash/s
accepted: 0/1, 0/2.... <0.00%> 50.13 khash/s <booooo>
Also my worker in my acount seems to be inactive?