Help with critical warning

[RyanOMalley]

I'm seeing lots of critical warnings on my administrator console. They're all basically the same but are appearing for two different clients:

Column Name Value
Firewall Id Firewall 427
Client Name (client name)
Computer Name (computer name)
MAC Address (mac address)
Primary Server (my server)
Date Received 2009-04-21 14:35:18
Date Occurred 2009-04-21 14:29:41
Level Critical Warning
Event Unknown code 00050007
Source (my server IP address)
Target (client IP address)
Protocol ICMP
Rule
Application
User

One of the clients is using XP Pro and one is Vista business. They're all using ESS4 business 4.0.417.

Any ideas what this could be?

[WayneP]

This could be an issue with updating the definition files. Follow the instructions in the knowledgebase article located below to see if this fixes the problem.

http://kb.eset.com/esetkb/index?page=content&id=SOLN2134