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Failed Virus Defs Update - 'cmdagent.exe' using old proxy setting?

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OS: Windows Vista Ultimate (32-bit, SP2)
Verison of CIS: 5.0.163652.1142
Virus Signiture Database Version: 6931
Other security software: None
Date this first occured: 2010-12-04

When trying to do a virus database update, it just fails almost immediately with the message "Failed to update the virus signature database. Please check your internet connection and try again later."

I can view the connections that cmdagent.exe tries to make in the firewall active connections summary, and one of the addresses it tries is my previously configured work proxy IP (port is 3128). The thing is, the proxy settings have been removed (IE Internet Properties -> Connections -> LAN Settings -> 'Use a proxy server for your LAN' is unchecked, and the address and port are grayed out (and only port has a value of 80).

Also, under Comodo Preferences -> Connection -> 'Use http proxy' is unchecked, with the below controls also grayed out (only Port has a value of 0). I've tried putting in a proxy setting there (, just for testing), clicking on OK, then coming back and removing it in the hope it would reset the proxy settings.

There is also no proxy configured in Firefox (although I don't think Comodo would try to use settings from there).

I have done the manual update process as described in, but I'd like to be able to do the normal update process via the updater too.

I've also tried adding various hosts under Comodo Preferences -> Update, including  and

The only currently enabled host is the default one of

I used to have old versions of Comodo installed (v3 and v4), but I uninstalled each ages ago. Perhaps it's picking up old settings from there?

EDIT: I enabled ballon messages, and it also popped with the Error Message:

"COMODO Internet Security Premium - Failed to update the virus signature database. Please check your internet connection and try again later. Error Code: -2147012867"

Does your problem still persist?

No, it seems to have started updating properly now. The definitions were last updated on 2010-12-09 at ~ 17h00 (my time) to v7008.

I haven't changed anything since then, so perhaps it was just the update servers that were having problems?

That's what I am assuming as well.

Hi There, I have the same problem. It only works if I specify a proxy server to connect though. When Im at home I dont have a proxy server and I check in IE the proxy values are disabled.

Comodo must be caching the proxy server settings somewhere. Does anyone have a solution/workaround to this problem?


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