OK, here are some more information:
Log Name: System
Source: Microsoft-Windows-WAS
Date: 8/6/2008 3:42:24 AM
Event ID: 5009
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: SERVER
Description:
A process serving application pool 'DefaultAppPool' terminated unexpectedly. The process id was '2948'. The process exit code was '0xc0000374'.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-WAS" Guid="{524B5D04-133C-4A62-8362-64E8EDB9CE40}" EventSourceName="WAS" />
<EventID Qualifiers="32768">5009</EventID>
<Version>0</Version>
<Level>3</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2008-08-05T21:42:24.000Z" />
<EventRecordID>11416</EventRecordID>
<Correlation />
<Execution ProcessID="0" ThreadID="0" />
<Channel>System</Channel>
<Computer>SERVER</Computer>
<Security />
</System>
<EventData>
<Data Name="AppPoolID">DefaultAppPool</Data>
<Data Name="ProcessID">2948</Data>
<Data Name="ExitCode">c0000374</Data>
</EventData>
</Event>