I keep trying to run the CUDA miners but I get this error regardless of which miner I try..

 { Error:

Cannot POST /

    at IncomingMessage. (C:\snapshot\COSMiC-v3.4t\node_modules\jayson\lib\client\http.js:74:21)
    at emitNone (events.js:111:20)
    at IncomingMessage.emit (events.js:208:7)
    at endReadableNT (_stream_readable.js:1056:12)
    at _combinedTickCallback (internal/process/next_tick.js:138:11)
    at process._tickCallback (internal/process/next_tick.js:180:9) code: 404 }