Error when restoring DB's

Hey, this is my third new computer, and I get an error when trying to restore the DB's on 2008 R2.

Here are the details.

Code:

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An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)

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Program Location:

  at Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteWithResults(String sqlCommand)
  at Microsoft.SqlServer.Management.Smo.ExecutionManager.ExecuteWithResults(String query)
  at Microsoft.SqlServer.Management.Smo.BackupRestoreBase.ExecuteSqlWithResults(Server server, String cmd)
  at Microsoft.SqlServer.Management.Smo.Restore.ReadBackupHeader(Server srv)
  at Microsoft.SqlServer.Management.SqlManagerUI.SqlRestoreDatabaseGeneral.buttonSelectDevice_Click(Object sender, EventArgs e)
  at System.Windows.Forms.Control.OnClick(EventArgs e)
  at System.Windows.Forms.Button.OnClick(EventArgs e)
  at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
  at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
  at System.Windows.Forms.Control.WndProc(Message& m)
  at System.Windows.Forms.ButtonBase.WndProc(Message& m)
  at System.Windows.Forms.Button.WndProc(Message& m)
  at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
  at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
  at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

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The media family on device 'C:\*************\*************\atum2_db_1.bak' is incorrectly formed. SQL Server cannot process this media family.
RESTORE HEADERONLY is terminating abnormally. (.Net SqlClient Data Provider)

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For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.5000&EvtSrc=MSSQLServer&EvtID=3241&LinkId=20476

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Server Name: *******
Error Number: 3241
Severity: 16
State: 7
Line Number: 1


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Program Location:

  at Microsoft.SqlServer.Management.Common.ConnectionManager.ExecuteTSql(ExecuteTSqlAction action, Object execObject, DataSet fillDataSet, Boolean catchException)
  at Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteWithResults(String sqlCommand)

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If your using the databases that i released them last time, you'll need to use sql server 2012.

WarOnline i had the same Error and i use 2012 but still the same i cant Restore

Please help me if u help me with tv big thanks