Problemas archivo

[artspider]

Hola para iniciar muchas gracias por responder, bueno lo que pasa que no lo estoy leyendo de ninguna ruta, lo creo en memoria el archivo para después poder mostrarlo, y la verdad no se por que me saca esa ruta de system, es lo que no entiendo, por que cuando lo corro desde mi visual studio no tengo problemas en crear el archivo, pero es cuando lo subo a mi servidor IIS, es cuando tengo los problemas...

Nota: El servidor IIS lo tengo en windows server y mi visual studio lo tengo en Win xp, es donde estoy desarrollando mi aplicación gracias...

Aquí esta el error completo:

Server Error in '/SicontNetCitas' Application.
Access to the path 'C:\WINDOWS\system32\test.txt' is denied.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.UnauthorizedAccessException: Access to the path 'C:\WINDOWS\system32\test.txt' is denied.

ASP.NET is not authorized to access the requested resource. Consider granting access rights to the resource to the ASP.NET request identity. ASP.NET has a base process identity (typically {MACHINE}\ASPNET on IIS 5 or Network Service on IIS 6) that is used if the application is not impersonating. If the application is impersonating via <identity impersonate="true"/>, the identity will be the anonymous user (typically IUSR_MACHINENAME) or the authenticated request user.

To grant ASP.NET access to a file, right-click the file in Explorer, choose "Properties" and select the Security tab. Click "Add" to add the appropriate user or group. Highlight the ASP.NET account, and check the boxes for the desired access.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[UnauthorizedAccessException: Access to the path 'C:\WINDOWS\system32\test.txt' is denied.]
System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +7714255
System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy) +1162
System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options) +65
SicontPages_File.Page_Load(Object sender, EventArgs e) +90
System.Web.Util.CalliHelper.EventArgFunctionCaller (IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Cal lback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627


Version Information: Microsoft .NET Framework Version:2.0.50727.3082; ASP.NET Version:2.0.50727.3082