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Lance Robinson is a software engineer in Durham, Chapel Hill, Raleigh, and surrounding areas. More about Lance.


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Winsock error 10054 is "Connection reset by peer", or "An existing connection was forcibly closed by the remote host".  The error means exactly what it says - the remote host closed the connection unexpectedly.  This happens when a connection is aborted, and there is no tcp disconnection handshake (fin, fin ack, ack) , but instead a rst (reset) flag is sent.  A reset flag aborts the connection, and can be sent when:

- The device is suddenly stopped, rebooted, or loses its network connection.

- The device uses a "hard close".  With IP*Works! a hard close never occurs unless you specifically set the Linger property (IPPort, IPDaemon) to false.

- A "half-open connection" state occurs.  That is, when one device not been receiving acknowledgements of the data it has sent, or it receives acknowledgement for an unrecognized sequence or ack number, it will send a rst flag to reset the connection.  This particular case could have a variety of its own causes, such as misconfigured proxy/firewall or network quality issues resulting in too many dropped packets.

Related Posts:

Winsock Error 10035
Winsock Error 10053
Winsock Error 10053: Part 2


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Posted on Tuesday, August 7, 2007 12:18 PM | Back to top

Comments on this post: Winsock Error 10054

# re: Winsock Error 10054
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I live on campus in my university's dorms and currently use the school's wireless connection. This allows be to game, use chat programs, and browse the net.

Every few days however, for anywhere from a couple hours to entire days I am unable to connect to either online games or chat programs. I can, however, freely surf the web. I check my windows firewall and its off and between these periods of outage I can continue gaming/chatting. Any thoughts?

Basically my ability to use any sort of peer2peer program switches from on to off but I am always allowed access to the internet

I found this site by typing in the error code AIM gives me when Im unable to connect.
Left by Will Jacobs on Mar 19, 2008 4:30 AM

# re: Winsock Error 10054
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I'd doubt you're still watching this site but this does seem to be among the top hits for this error message and I'm sure others are having this sisue too because that's exactly why I came here: Your IT dept is most likely blocking your access. Certain firewall applications and QoS services send a "hard close" code to shot down unauthorized connections. that code is the same one that causes this error message because its the code used by the other connection to immediately terminate the connection. You'll need to talk to your IT dept to resolve that issue with their software.
Left by Brandon Rinebold on Dec 10, 2008 11:50 PM

# re: Winsock Error 10054
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I would like to ask your help for me vista home I have a system. the safari a browser does not work this mistake irja who: The error: unknown error (kCFErrorDomainWinSock:10054) Please choose Help > Report Bugs to Apple, note the error number, and describe what you did before you saw this message.
somebody would know a solution? I ask you let him write. Thanks
Left by Csaba Papp on Feb 28, 2009 5:33 AM

# re: Winsock Error 10054
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i am having the same problem as csaba with the safari error did you ever figure out what was wrong?
Left by david dirks` on Oct 13, 2009 9:13 AM

# re: Winsock Error 10054
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this error uccured when i was installing cod4 mw2
Left by kenn martin on Nov 17, 2009 5:05 AM

# re: Winsock Error 10054
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Hi! i got this error while connecting pocket pc emulator to development pc.
I made server application on my pc to listen on a port and made client application on pocket pc emulator to connect to server on its listening port.
But while connecting error came.
Do any have suggestions regarding this??
Plz help...
Left by himalaya garg on Nov 24, 2009 5:11 PM

# re: Winsock Error 10054
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I CANT ACCESS please help me
Left by SAIVENKATESWAR on Jan 12, 2012 10:04 AM

# re: Winsock Error 10054
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hi."eror 10054" what is this?thanks
Left by mehran on Oct 26, 2012 8:11 AM

# re: Winsock Error 10054
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Uggg... Im trying to download just one file, a N64 rom of Zelda-OOT about 25-30mb total. But all the time my internet access speed sucks, and it pops up this error, and I have been unable to download just this one dam file from ANYWARE! :/
Left by Grrrr... on Jul 19, 2013 6:15 PM

# re: Winsock Error 10054
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I'm only having this problem when trying to get to Facebook and, even then, it was only this evening that this has occurred. I can't get to Facebook at all in any other browser. I've tried resetting Safari and clearing the cache and no change. When doing the report to Safari, I don't get any kind of acknowledgement or anything; so, I don't even know if the report was sent.

I don't know if it makes a difference, but I'm in Kazakhstan.
Left by Chancellor Roberts on Aug 10, 2013 10:46 AM

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