Hi there

I am trying to install DNN 4.0 on 2003 server, SQL 2k5/new empty db/, dot net version is 2. Connection strings are modified as needed. I get following error:

Security Exception

Description: The application attempted to perform an operation not allowed by the security policy.  To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.

Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

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:

[SecurityException: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.] System.Web.Configuration.MetabaseServerConfig.MapPathCaching(String siteID, VirtualPath path) +3492138 System.Web.Configuration.MetabaseServerConfig.System.Web.Configuration.IConfigMapPath.MapPath(String siteID, VirtualPath vpath) +9 System.Web.Hosting.HostingEnvironment.MapPathActual(VirtualPath virtualPath, Boolean permitNull) +163 System.Web.CachedPathData.GetConfigPathData(String configPath) +382 System.Web.CachedPathData.GetConfigPathData(String configPath) +243 System.Web.CachedPathData.GetVirtualPathData(VirtualPath virtualPath, Boolean permitPathsOutsideApp) +132 System.Web.HttpContext.GetFilePathData() +27 System.Web.HttpContext.GetConfigurationPathData() +26 System.Web.Configuration.HttpCapabilitiesBase.GetBrowserCapabilities(HttpRequest request) +133 System.Web.HttpRequest.get_Browser() +134 System.Web.Errorformatter.RequiresAdaptiveErrorReporting(HttpContext context) +104

Any ideas ?