I'm new to this BitCoin, as in read about it yesterday started with it today. This technology has intrigued me to the level I cannot explain, its truly genius!

Back to my problem, I have a NVIDIA NVS3100 with approx 48 GFlops speed. I am using it to mine. I have taken part in different pools, but the problem is that miner is not connecting to the RPC server. This is the error:

Could not retrieve work from RPC Server
CURL Return Value = 1

I'm using rpcminer-cuda made by puddinpop on Windows 8.

Would I have to make rules in firewall? or something like that?

  • can you post the command you are using to launch the application?
    – Mark S.
    Dec 14, 2013 at 4:16

1 Answer 1


For those who are having the same problem, please note that rpcminers are not supported by many BitCoin Miners, this was my problem.

I started to use GUIMiner and it accepted my first block just yesterday. No more blocks besides those yet, but well I'm just starting.


Thanks for all the help!

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