Can't visit some websites via socket proxy, by BitVise

I have a machine A, which can't visit YouTube. Another machine B is an Azure virtual machine, which can of course visit YouTube.

I set up BitVise in machine B and SSH to B from A with allowing port forwarding -D 8888.

Currently I still could not visit YouTube in A. BitVise reports the error below:

  <event seq="37" time="2016-06-18 13:41:33.301277 +0000" app="BvSshServer 6.47" name="I_CHANNEL_C2S_CLTSIDE_TARGET_CONNECT_ERROR" desc="Error connecting to target address of client-configured client-to-server port forwarding.">
    <session id="1001" remoteAddress="112.64.61.113:20335" virtualAccount="bart" windowsAccount="BARTMAOVMBvSsh_VirtualUsers"/>
    <channel type="direct-tcpip" originAddress="0.0.0.0:0" requestAddress="37.61.54.158:443" targetAddress="37.61.54.158:443"/>
    <error type="Flow" component="BssManager/connection/channel_4/proxyConnector/connector" class="Win" code="10060" message="A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond." description="FlowSocketConnector: Failed to connect to target address"/>
  </event>

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