Error attaching database. System.Data.SqlClient.SqlException (0x80131904): The database 'Lrendon_dbtest1_Oct312014' cannot be opened because it is version 706. This server supports version 661 and earlier.
What version of SQL Server are you using? If SQL Server 2012 it's not supported, use SQL Server 2008 or 2008 R2 or 2005.Install SQL Server 2008 R2 Express from Microsoft site and use SQL Server Import and Export Wizard for a full copy from SQL Server 2012 to SQL Server 2008 R2. Good luck!