i think the result of hashrate will be different if i install vga cards, with only low budget vga cards, it coud make the hashrate increase to. so, my advice, when you want to run with both software, trying to use low budget vga cards, and don't use your pc or laptop, because it could be hot and its not good.
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dear sir Which vps company can mine?

Any suggestions xmr pool? 

try newer driver fail  need Visual C++ or ......? I use a new computer sir。

dear sir:

k8 can not work，CUDA Toolkit 8.0 or CUDA Toolkit 7.5

I installed CUDA Toolkit 8.0