noob needs help, Issues getting started:

my card info:

18:54:42:893   2e34   ETH: 1 pool is specified
18:54:42:894   2e34   Main Ethereum pool is us1.ethermine.org:4444
18:54:42:894   2e34   DCR: 0 pool is specified
18:54:42:926   2e34   OpenCL platform: NVIDIA CUDA
18:54:42:928   2e34   AMD OpenCL platform not found
18:54:43:096   2e34   CUDA initializing...

18:54:43:097   2e34   NVIDIA Cards available: 1
18:54:43:097   2e34   CUDA Driver Version/Runtime Version: 9.0/6.5
18:54:43:098   2e34   GPU #0: GeForce GT 635, 1024 MB available, 2 compute units, capability: 3.5

18:54:43:099   2e34   Total cards: 1

My error:

ETH: job changed
18:54:13:451   23d0   new buf size: 0
18:54:13:545   2d04   Setting DAG epoch #136...
18:54:15:305   2d04   Setting DAG epoch #136 for GPU0
18:54:15:307   2d04   Create GPU buffer for GPU0
18:54:15:307   2d04   CUDA error - cannot allocate big buffer for DAG. Check readme.txt for possible solutions.

18:54:18:309   2d04   Set global fail flag, failed GPU0
18:54:18:310   2d04   GPU 0 failed
18:54:18:310   3494   Setting DAG epoch #136 for GPU0
18:54:18:311   3494   GPU 0, CUDA error 11 - cannot write buffer for DAG

18:54:21:313   3494   Set global fail flag, failed GPU0
18:54:21:314   3494   GPU 0 failed
18:54:23:461   23d0   ETH: checking pool connection...
18:54:23:461   23d0   send: {"worker": "", "jsonrpc": "2.0", "params": [], "id": 3, "method": "eth_getWork"}

18:54:23:487   23d0   got 248 bytes