.Net application implementing indexing service is throwing an error

If you are implementing indexing service in your application, most likly you may encounter with an error with the following 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: Access is denied: 'MyWebApp'.
Source Error:
Line 198:

This error occurs because of the Microsoft Indexing Services which scans the Temporary ASP.NET Files and while doing so, the system puts a lock on the same.
To resolve this, the following steps need to be carried out:-

1. Start - Settings - Control Panel - Administrative Tools - Computer mangement.
2. Expand the services and applications node and select the Indexing service node.
3. Expand the Indexing Service Node and then select and expand the System Node.
4. Right click on Directories and select new directory. browse the path to the temporary asp.net files c:\winnt\microsoft.net\framework\v1.1.4322\.
5. Select the temporary asp.net files. give ok and then select the "NO" in the Include in index radiobutton.
6. give ok and then stop and start the indexing service.
this should solve the problem.