Connectivity problems

Avast Free Antivirus / Premium Security
1

I need some help.

I have a computer set up in a remote location that I use with a web cam to monitor for security purposes.

The computer is hooked up to a router which is connected to the internet though a dsl modem. I have had this system set up for a year and it was working without any problems until 2-3 months ago.

It seems that almost everytime Avast downloads an update, the computer loses connectivity. When I log into the router remotely, the computer does not show up as being connected to the LAN. I can resolve the problem by having someone restarting the computer manually but this is not something I want to keep doing.

I am running Windows XP Pro SP2 on the computer in question.

2

Does the remote computer have a software firewall on it?

3

no 3rd party software, just the XP firewall

4

Man, I can’t see a correlation between avast update and remote connectivity…
Are you referring to program updates or just virus database ones?

5

The only thing I can think is that it may be a firewall issue. The connectivity problem has happened every couple of days and when I check the log file on the router, the computer goes offline after Avast has finished downloading the updates:

[ALLOW: 74.52.201.98] Source: 192.168.1.3 Monday, 08 Dec 2008 10:20:26
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:20:38
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:20:39
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:20:41
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:20:43
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:20:57
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:21:00
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:21:01
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:21:36
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:21:37
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:21:38
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:21:39
[ALLOW: download93.avast.com] Source: 192.168.1.3 Monday, 08 Dec 2008 10:21:40
[ALLOW: download93.avast.com] Source: 192.168.1.3

6

Glad to know… glitches are not easy to troubleshoot…