I see now, that I'm not even able to enable the en-US language - this error is showing up:

ERROR: Languages IS CURRENTLY UNAVAILABLE.
DotNetNuke.Services.Exceptions.ModuleLoadException: Cannot insert duplicate key row in object 'dbo.PortalLanguages' with unique index 'IX_PortalLanguages'. The statement has been terminated. ---> System.Data.SqlClient.SqlException: Cannot insert duplicate key row in object 'dbo.PortalLanguages' with unique index 'IX_PortalLanguages'. The statement has been terminated. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlDataReader.ConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteScalar() at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteScalar(SqlConnection connection, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteScalar(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteScalar(String connectionString, String spName, Object[] parameterValues) at DotNetNuke.Data.SqlDataProvider.AddPortalLanguage(Int32 portalID, Int32 languageID, Int32 CreatedByUserID) at DotNetNuke.Services.Localization.Localization.AddLanguageToPortal(Int32 portalID, Int32 languageID, Boolean clearCache) at DotNetNuke.Modules.Admin.Languages.LanguageEnabler.cmdUpdate_Click(Object sender, EventArgs e) --- End of inner exception stack trace ---

Do someone have a solution?

Regards,
Per

Yes, Luiz

But now I AM in 5.4.2 - and everything is working perfect when I'm logged in, but not when I'm logged out - so what do I suppose to do now.
I'm affraid with this rolling back. It tooks me 3 days to get the site running :O)

Any idea?

Per

You can see it here: www.spaininfogroupproperties.com/prop

By the way - I have got the en-US to work...

Regards,
Per