Outbound packet flow halts

[subc]

Hi!

I need help troubleshooting a problem with my internet connection. Sometimes it stops sending outbound packets. So far the only way I found to restart the net is to disable and re-enable the network card in device manager. By the way, is it normal that it takes about a whole minute to get it disabled?

This problem occur with very different frequencies, sometimes no problem for days, sometimes several occasions even in 1 hour. It seems (although it is not absolutely sure) that the cause of the problem is uTorrent with torrents with big amount of seeds/peers.

Win XP SP3 (tcpip.sys patched)

uTorrent 2.0 (and 2.0.1 also) I don't remember having such problems when I had older versions installed

Sunbelt Personal Firewall

NOD32 (I also tried removing it)

broadband connection

[Firon]

Are you behind a router? Have you tried removing Sunbelt, to make sure it isn't that?

[subc]

There is no router. As far as I remember I already tried removing that firewall. And I replaced the network card also because I thought that's my problems reason.

[subc]

Any idea?

[subc]

I really don't know what the problem might be. The problem only occurs when torrent(s) are running but in not every case. I tried changing the connection settings according to lots forums here but no success. By the way the problem may also occur when the torrent has only a few seeds and peers.

[Switeck]

Tell us your uTorrent settings, as shown by CTRL+G Speed Guide and any advanced ones you changed (those have an * next to them).

And could you be a little more precise than "broadband connection"? (speed max down and up for instance and type...)

[subc]

http://img253.imagevenue.com/img.php?image=97810_Untitled_122_34lo.jpg

According to speedtest.net:

Download: 14.58 Mb/s

Upload: 1.16 Mb/s

The connection type is cable, with a Motorola SBV5121E cable modem. Right now the advanced settings are reseted back to default cause changing those didn't help.

[Switeck]

Good, your settings shouldn't be a problem if your networking is decent.

Are you getting 4226 error messages in windows event logger?

[subc]

No, no error messages at all.

[Greg Hazel]

My only guess is some damage which NOD32 or Sunbelt or patching tcpis.sys caused. This is not something uTorrent could really cause.

Have you tried uninstalling those things and doing a WinXP system repair installation?

[subc]

Well I reinstalled both NOD32 and Sunbelt again and I added utorrent.exe to the IMON exceptions. I'm not entirely sure, but it seems that the problem is gone for now. Hopefully it stays like this. Thank you.

Edit: No, it's not yet solved. Switching from NOD32 & Sunbelt to ESET Smart Security

[subc]

In case you are interested, since I switched to Eset Smart Security no such problems occured.

Thank you.