Debunking error (OS 10054) core_output_filter: writing data to the network

One of our customers has Apache logs (Xampp-based) full of this line:
[Tue Mar 02 16:21:41 2010] [info] [client 172.20.99.16] (OS 10054)Une connexion existante a dû être fermée par l'hôte distant.  : core_output_filter: writing data to the network
Sometimes (OS10053) is used as a variant, but the Apache error seems to be the same (core_output_filter: writing data to the network) Apparently, the error is widespread and only occurs on Windows operating system (that's where OS10054 error code comes from) and a few useful references for this are:
  • http://httpd.apac
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