I have been learning up on cryptocurrencies these past few days, and wanted to try out mining. I tried shortly with Litecoin using cudaminer and couldn't figure it out. Then I was trying to mine Dogecoin and got further (joined a pool, etc) but I can't get cudaminer to work. It keeps saying "http request failed" and "json_rpc_call failed"

I have altered the batch file a few different ways, and found other examples of working files and changed them with my pool address and worker info, but I keep getting this error. Is it something else possibly?

here is my batch file info, I can't find any issues, but I'm very new to all of this.

cudaminer.exe -o stratum+tcp://miner.cryptovalley.com:3333 -O workername:password

I have also tried

cudaminer.exe -i 0 -C 2 -l 32x4 -m 1 -o stratum+tcp://miner.cryptovalley.com:3333 -O user:password  (I kept the extra stuff that was there when I opened the file, and changed the other parts)

I have updated my video card drivers and that has not helped, I am using an nvidia gtx 460m.