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knobbylowboy

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Very slow network access on 1 Windows XP computer

Running Windows XP on a small peer-to-peer network (3 computers), connected to a modem/router.

One of the computers network access intermittently slows down significantly.

This problem happens regularly but intermittently. When the problem happens, if other computers try and access it's files or vice-versa it is very slow or if it tries to print to a printer on another computer it is also very slow.

I put in another network card (different brand) and that made no difference.

I ran a continuous ping test to the router from this computer and most of the time it says <1ms or =1ms but sometimes it goes up to 10ms or more. The other computers on the network all show <1ms or =1ms. However, when the problem occurs and i ping the router it often says <1ms yet access is slow, so the higher than usual ping times don't always correspond to when the problem happens.

I ran the ping test in safe mode overnight and the highest reading was 2ms. When I ran it in normal mode overnight it was 10ms or more.

This lead me to think it was a software issue but I have looked at each process in task manager and there was nothing out of the ordinary.

It has up-to-date AVG anti-virus and I ran Spybot over it with no infections found. All service packs and updates installed.
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pablovr
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Some things to try:

Slow network browsing in Windows XP:
http://www.ss64.com/nt/slow_browsing.html


Open up C:\Windows\System32\Drivers and delete the "tcpip.sys" file that you see there. After about 15 seconds Windows will rebuild it. Reboot your computer and see if the issue still remains.
It is not a good idea to delete the desktop.ini file as mentioned in the first poster's article.
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knobbylowboy

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No, this has not helped.

dfxdeimos: Open up C:\Windows\System32\Drivers and delete the "tcpip.sys" file that you see there. After about 15 seconds Windows will rebuild it. Reboot your computer and see if the issue still remains.
Do you have the free version of AVG? If not, try doing a repair install on it: http://www.avg.com/faq.num-948#faq_948

AVG (Paid version) recently had an update come out for it that messed up network settings on some computers.
It is the free AVG. I did uninstall it to test but the slow ping times remained.

cMoo92:Do you have the free version of AVG? If not, try doing a repair install on it: http://www.avg.com/faq.num-948#faq_948
AVG (Paid version) recently had an update come out for it that messed up network settings on some computers.
More information on the problem...

The problem has been particularly bad today. I notice that a VOIP telephone attached to the network every few minutes reports that it has been disconnect then reconnected to the network. If I disconnect the problematic computer I no long get these messages.

Looks like that computer is doing strange things to the network.
Don´t you have a duplicated IP address? It sounds like.
Check the IP address assigned to the IP Phone, and check whether there is any computer or network device using the same.
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knobbylowboy

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