Cannot Start winodws service

Hi,

I am using vs.net 2005. and using sql server 2000 and sql server 2005.

I have created an windows application and when i am starting the service after installing, it goes to the stopped pahse and in the event viewe i can see this error:

Event Type: Error
Event Source: Process Delivery Queue Service
Event Category: None
Event ID: 0

Description:
Service cannot be started. System.NotSupportedException: The given path's format is not supported.
   at System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath)
   at System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath)
   at System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList)
   at System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, String[] pathList, Boolean checkForDuplicates, Boolean needFullPath)
   at System.IO.Path.GetFullPath(String path)
   at System.CodeDom.Compiler.TempFileCollection.EnsureTempNameCreated()
   at System.CodeDom.Compiler.TempFileCollection.AddExtension(String fileExtension, Boolean keepFile)
   at System.CodeDom.Compiler.TempFileCollection.AddExtension(String fileExtension)
   at Microsoft.CSharp.CSharpCodeGenerator.FromSour...

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Please help me out. I tried a lot and tired.

Thanks

Raju