In this post, you’ll learn more about the Windows Socket Error WSAEALREADY
10037 returned by the WSAGetLastError function in Windows as well a quick description about the error
Windows Socket Error Code
WSAEALREADY
10037
Windows Socket Error Description
Operation already in progress.
An operation was attempted on a nonblocking socket with an operation already in progress—that is, calling connect a second time on a nonblocking socket that is already connecting, or canceling an asynchronous request (WSAAsyncGetXbyY) that has already been canceled or completed.