I get the same problem. Coinotron wont register any work. I run Pooler CPU miner

D:\Mining Proxy>mining_proxy  -o coinotron.com -p 3334
D:\Mining Proxy\mining_proxy.exe\twisted\web\util.py:372: DeprecationWarning: Passing filenames or file objects to XMLFile is deprecated since Twisted 12.1.  Pass a FilePath instead.
2013-04-07 10:49:07,904 INFO proxy jobs. # C extension for midstate not available. Using default implementation instead.
2013-04-07 10:49:09,038 WARNING proxy mining_proxy.main # Stratum proxy version: 1.5.2
2013-04-07 10:49:09,040 WARNING proxy mining_proxy.test_update # Checking for updates...
2013-04-07 10:49:11,138 WARNING proxy mining_proxy.main # Trying to connect to Stratum pool at coinotron.com:3334
2013-04-07 10:49:11,369 INFO stats stats.print_stats # 1 peers connected, statechanged 1 times
2013-04-07 10:49:11,369 INFO proxy mining_proxy.on_connect # Connected to Stratum pool at coinotron.com:3334

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2013-04-07 10:49:11,744 WARNING proxy mining_proxy.main # PROXY IS LISTENING ON ALL IPs ON PORT 3333 (stratum) AND 8332 (getwork)
2013-04-07 10:49:11,744 WARNING proxy mining_proxy.main #
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