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[johnlei]

Today, I open my machine and start my asp.net application in IE as usual.
But it crashed as below, someone can help me, Thanks.

Server Error in '/newtommy' Application.
----------------------------------------------------------------------------
----

Configuration Error
Description: An error occurred during the processing of a configuration file
required to service this request. Please review the specific error details
below and modify your configuration file appropriately.

Parser Error Message: Exception in configuration section handler.

Source Error:

Line 419:
Line 420: <!-- For updates to this browser data visit cyScape, Inc.
at http://www.cyscape.com/browsercaps -->
Line 421: <browserCaps>
Line 422: <result type="System.Web.HttpBrowserCapabilities" />
Line 423: <use var="HTTP_USER_AGENT" />

Source File:
c:\winnt\microsoft.net\framework\v1.0.3705\Config\machine.config Line:
421