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Thread ID: 77244	2007-03-03 09:24:00	Same problem, new information - PC freezes	johcar (6283)	Press F1

Post ID	Timestamp	Content	User
529695	2007-03-03 09:24:00	Still haven't resolved the issue I described here ( . pcworld . co . nz/showthread . php?t=76143" target="_blank">forums . pcworld . co . nz) - but I think I have narrowed the issue down . HP A1555, XP Media Edition, SP2, all up-to-date . ZoneAlarm Security Suite v 6 . 5 . 737 . 000 . It seems that the PC freezes mainly when downloading files from the Interweb . No specific sites, and the problem is not isolated to a particular browser (default is Opera, but I have tested this with IE7 also - same result) . Is it possible that there is a setting somewhere that limits the number of concurrent downloads? A TCP/IP setting perhaps? This is a PC at home which is occasionally networked to my Tosh but is otherwise standalone . Connect to the Interweb via a Woosh modem . Video drivers are up-to-date . Nothing particularly interesting visible in the Event Viewer following a freeze . . . This is driving me round the bend (further than usual) - does anyone have any ideas? :badpc: :badpc: :badpc:	johcar (6283)
529696	2007-03-03 18:09:00	Not too sure if this is what you're talking about, or not. This applies to XP SP2. Have a read of this (www.microsoft.com) Limited number of simultaneous incomplete outbound TCP connection attempts Detailed description The TCP/IP stack now limits the number of simultaneous incomplete outbound TCP connection attempts. After the limit has been reached, subsequent connection attempts are put in a queue and will be resolved at a fixed rate. Under normal operation, when applications are connecting to available hosts at valid IP addresses, no connection rate-limiting will occur. When it does occur, a new event, with ID 4226, appears in the system’s event log. Why is this change important? What threats does it help mitigate? This change helps to limit the speed at which malicious programs, such as viruses and worms, spread to uninfected computers. Malicious programs often attempt to reach uninfected computers by opening simultaneous connections to random IP addresses. Most of these random addresses result in a failed connection, so a burst of such activity on a computer is a signal that it may have been infected by a malicious program.	Speedy Gonzales (78)
529697	2007-03-03 23:41:00	Hmmm. Might be related - the problem is that the apps running on the PC are pretty much the same as those on my laptop (which doesn't have an issue). Of course there is probably a world of difference between a Toshiba and an HP as far as 'hidden' software is concerned... There's got to be something the HP is running (that the Tosh isn't) that is causing the problem. The trick is in finding it!!	johcar (6283)
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