Hi, I got a really strange problem... I'm pretty sure folder LiLong is not exist... But I got a error page 500 about the file which isn't exist can't be defined in line 46... Here details: Server Error in '/' Application The section &--#60;authentication&--#62; can't be defined in this configuration file (the allowed definition context is 'MachineToApplication'). (/home/greend/public_html/LiLong/web.config line 46) Description: HTTP 500. Error processing request. Stack Trace: System.Configuration.ConfigurationErrorsException: The section &--#60;authentication&--#62; can't be defined in this configuration file (the allowed definition context is 'MachineToApplication'). (/home/greend/public_html/LiLong/web.config line 46) at System.Configuration.SectionInfo.ReadData (System.Configuration.Configuration config, System.Xml.XmlReader reader, Boolean overrideAllowed) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.SectionGroupInfo.ReadContent (System.Xml.XmlReader reader, System.Configuration.Configuration config, Boolean overrideAllowed, Boolean root) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.SectionGroupInfo.ReadData (System.Configuration.Configuration config, System.Xml.XmlReader reader, Boolean overrideAllowed) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.SectionGroupInfo.ReadContent (System.Xml.XmlReader reader, System.Configuration.Configuration config, Boolean overrideAllowed, Boolean root) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.SectionGroupInfo.ReadRootData (System.Xml.XmlReader reader, System.Configuration.Configuration config, Boolean overrideAllowed) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.Configuration.ReadConfigFile (System.Xml.XmlReader reader, System.String fileName) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.Configuration.Load () [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.Configuration.Init (IConfigSystem system, System.String configPath, System.Configuration.Configuration parent) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.Configuration..ctor (System.Configuration.InternalConfigurationSystem system, System.String locationSubPath) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Configuration.InternalConfigurationFactory.Create (System.Type typeConfigHost, System.Object[] hostInitConfigurationParams) [0x00000] in &--#60;filename unknown&--#62;:0 at System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration (System.String path, System.String site, System.String locationSubPath, System.String server, System.String userName, System.String password, Boolean fweb) [0x00000] in &--#60;filename unknown&--#62;:0 Version information: Mono Runtime Version: 2.6.7 (tarball Thu Oct 18 23:33:40 PDT 2012); ASP.NET Version: 2.0.50727.1433 My domain is http://miniqud.heliohost.org Thanks a lot