E:\cudaminer>cudaminer -o stratum+tcp://ispace.co.uk:3333 -u vlgafox1.miner -a sha256d
           *** CudaMiner for nVidia GPUs by Christian Buchner ***
                     This is version 2014-02-18 (beta)
        based on pooler-cpuminer 2.3.2 (c) 2010 Jeff Garzik, 2012 pooler
            Cuda additions Copyright 2013,2014 Christian Buchner
          LTC donation address: LKS1WDKGED647msBQfLBHV3Ls8sveGncnm
          BTC donation address: 16hJF5mceSojnTD3ZTUDqdRhDyPJzoRakM
          YAC donation address: Y87sptDEcpLkLeAuex6qZioDbvy1qXZEj4
[2015-10-12 17:57:26] Starting Stratum on stratum+tcp://ispace.co.uk:3333
[2015-10-12 17:57:26] 1 miner threads started, using 'sha256d' algorithm.
[2015-10-12 17:57:29] GPU #0: (null), 0.00 khash/s
[2015-10-12 17:57:30] GPU #0: (null), 0.00 khash/s
[2015-10-12 17:57:31] GPU #0: (null), 0.00 khash/s
[2015-10-12 17:57:32] GPU #0: (null), 0.00 khash/s
[2015-10-12 17:57:34] GPU #0: (null), 0.00 khash/s
[2015-10-12 17:57:35] GPU #0: (null), 0.00 khash/s
Ctrl-C
[2015-10-12 17:57:35] workio thread dead, waiting for workers...
[2015-10-12 17:57:35] worker threads all shut down, exiting.

E:\cudaminer>cudaminer -o stratum+tcp://ispace.co.uk:3337 -u vlgafox1.miner -a sha256d
           *** CudaMiner for nVidia GPUs by Christian Buchner ***
                     This is version 2014-02-18 (beta)
        based on pooler-cpuminer 2.3.2 (c) 2010 Jeff Garzik, 2012 pooler
            Cuda additions Copyright 2013,2014 Christian Buchner
          LTC donation address: LKS1WDKGED647msBQfLBHV3Ls8sveGncnm
          BTC donation address: 16hJF5mceSojnTD3ZTUDqdRhDyPJzoRakM
          YAC donation address: Y87sptDEcpLkLeAuex6qZioDbvy1qXZEj4
[2015-10-12 18:04:44] Starting Stratum on stratum+tcp://ispace.co.uk:3337
[2015-10-12 18:04:44] 1 miner threads started, using 'sha256d' algorithm.
[2015-10-12 18:04:45] Stratum authentication failed
[2015-10-12 18:04:45] ...retry after 15 seconds