diff -r ba779db5b8c5 -r b3b823debf08 sdkcreationmw/sdkruntimes/wsock/src/WinsockInterface.cpp
--- a/sdkcreationmw/sdkruntimes/wsock/src/WinsockInterface.cpp	Tue Jul 20 10:09:03 2010 +0100
+++ b/sdkcreationmw/sdkruntimes/wsock/src/WinsockInterface.cpp	Thu Nov 04 17:22:05 2010 +0000
@@ -174,8 +174,11 @@
         {
             int chunks = delta/iBytesSentGranularity;
             iBytesSentMark += chunks*iBytesSentGranularity;
-            iNotify->NotifyDataSent(KWinsockSubConnectionId,
-                delta*iBytesSentGranularity);
+            //
+            // Workaround for  Bug 3917 -  CWinsockInterface::DataSent calls NotifyDataSent which is not implemented.
+            //
+            // iNotify->NotifyDataSent(KWinsockSubConnectionId,
+            //    delta*iBytesSentGranularity);
         }
     }
 }