We continue to get the following errors in our applications and don't know what this is:

Event Type: Warning
Event Source: ASP.NET 2.0.50727.0
Event Category: Web Event
Event ID: 1309
Date: 11/17/2008
Time: 8:21:39 AM
User: N/A
Computer: DCLFINAPP
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 11/17/2008 8:21:39 AM
Event time (UTC): 11/17/2008 1:21:39 PM
Event ID: c35caeaf3eac4300970da418b82d9f80
Event sequence: 4
Event occurrence: 1
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/1/Root/CustomApps/eExpense-1-128714016990984101
Trust level: Full
Application Virtual Path: /CustomApps/eExpense
Application Path: E:\CustomApps\eExpense\
Machine name: DCLFINAPP

Process information:
Process ID: 5084
Process name: w3wp.exe
Account name: NT AUTHORITY\NETWORK SERVICE

Exception information:
Exception type: HttpException
Exception message: Virtual Url 502239ae-ff60-4a3c-bcd6-173c86da65da not registered.

Request information:
Request URL: http://dfms.dillon.ca/CustomApps/eExpense/eo_web.ashx?id=502239ae-ff60-4a3c-bcd6-173c86da65da
Request path: /CustomApps/eExpense/eo_web.ashx
User host address: 10.32.5.66
User: DILLON\32mli
Is authenticated: True
Authentication Type: Negotiate
Thread account name: NT AUTHORITY\NETWORK SERVICE

Thread information:
Thread ID: 1
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at EO.Web.Internal.ak.a(ct A_0)
at EO.Web.Internal.ak.a(HttpApplication A_0)
at EO.Web.Internal.ei.a(HttpContext A_0)
at EO.Web.Runtime.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)


Custom event details:

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

On eInitition:

Event Type: Warning
Event Source: ASP.NET 2.0.50727.0
Event Category: Web Event
Event ID: 1309
Date: 11/17/2008
Time: 7:35:26 AM
User: N/A
Computer: DCLFINAPP
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 11/17/2008 7:35:26 AM
Event time (UTC): 11/17/2008 12:35:26 PM
Event ID: 1c569d3b6c8b42ff804df5bc61221df0
Event sequence: 4
Event occurrence: 1
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/1/Root/CustomApps/eInitiation-1-128713989257033681
Trust level: Full
Application Virtual Path: /CustomApps/eInitiation
Application Path: E:\CustomApps\eInitiation\
Machine name: DCLFINAPP

Process information:
Process ID: 5400
Process name: w3wp.exe
Account name: NT AUTHORITY\NETWORK SERVICE

Exception information:
Exception type: HttpException
Exception message: Virtual Url 3aa8774e-1d5f-4693-89cc-b87f6b36d0a7 not registered.

Request information:
Request URL: http://dfms.dillon.ca/CustomApps/eInitiation/eo_web.ashx?id=3aa8774e-1d5f-4693-89cc-b87f6b36d0a7
Request path: /CustomApps/eInitiation/eo_web.ashx
User host address: 142.68.238.245
User: DILLON\50ajb
Is authenticated: True
Authentication Type: Negotiate
Thread account name: NT AUTHORITY\NETWORK SERVICE

Thread information:
Thread ID: 1
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at EO.Web.Internal.ak.a(ct A_0)
at EO.Web.Internal.ak.a(HttpApplication A_0)
at EO.Web.Internal.d4.a(HttpContext A_0)
at EO.Web.Runtime.ProcessRequest(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)