XML Error at Login

here is the Event ID info from the error.

Event Type:    Warning
Event Source:    ASP.NET 2.0.50727.0
Event Category:    Web Event 
Event ID:    1309
Date:        3/28/2008
Time:        3:13:00 PM
User:        N/A
Computer:    SERVER
Description:
Event code: 3005 
Event message: An unhandled exception has occurred. 
Event time: 3/28/2008 3:13:00 PM 
Event time (UTC): 3/28/2008 8:13:00 PM 
Event ID: 1cf80885ba1e44b8aa3b89c7cc21c782 
Event sequence: 8 
Event occurrence: 2 
Event detail code: 0 
 
Application information: 
    Application domain: /LM/W3SVC/1/ROOT/FileVista-4-128512086964843750 
    Trust level: Full 
    Application Virtual Path: /FileVista 
    Application Path: C:\inetpub\wwwroot\FileVista\ 
    Machine name: SERVER 
 
Process information: 
    Process ID: 284 
    Process name: w3wp.exe 
    Account name: NT AUTHORITY\NETWORK SERVICE 
 
Exception information: 
    Exception type: NullReferenceException 
    Exception message: Object reference not set to an instance of an object. 
 
Request information: 
    Request URL: http://localhost/filevista/administration.asmx/LoginUser 
    Request path: /filevista/administration.asmx/LoginUser 
    User host address: 127.0.0.1 
    User:  
    Is authenticated: False 
    Authentication Type:  
    Thread account name: NT AUTHORITY\NETWORK SERVICE 
 
Thread information: 
    Thread ID: 5 
    Thread account name: NT AUTHORITY\NETWORK SERVICE 
    Is impersonating: False 
    Stack trace:    at GleamTech.FileVista.AuthenticationManager.Authenticate(HttpContext context)
   at GleamTech.FileVista.FileVistaGlobalAsax.Application_AcquireRequestState(Object sender, EventArgs e)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
 
 
Custom event details: 

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If I don't receive some help on this I will go with another ASP based upload solution.

Sorry for the delay, we are busy on releasing v3.0.

This error is caused by the lack of ASP.NET Session module, please enable it as described in the last reply of Server setup error

Both of those settings are in the corresponding web.config files and I still have the XML Issue 

You may get the XML error on various situations. The first problem may have been fixed and there may be a second one.
Please check the event log if there is a new error message.

You can also provide me the url to your installation with login credentials via email.