diff --git a/Source/ApplicationBase/Usuarios/Controller/uUsuariosController.pas b/Source/ApplicationBase/Usuarios/Controller/uUsuariosController.pas
index a0e7db1..f62f7dc 100644
--- a/Source/ApplicationBase/Usuarios/Controller/uUsuariosController.pas
+++ b/Source/ApplicationBase/Usuarios/Controller/uUsuariosController.pas
@@ -14,7 +14,7 @@ type
   ['{DD963EEC-5880-4DE7-AF55-B5080B538D84}']
 
     procedure Logoff;
-    function StartLogin : Boolean;
+    function StartLogin (const AUsuario : String = ''; const APassword : String = ''): Boolean;
     procedure VerUsuarios;
     procedure VerPerfiles;
     procedure VerUsuario(const AIDUser: Integer); overload;
@@ -121,7 +121,7 @@ type
     destructor Destroy; override;
 
     procedure Logoff;
-    function StartLogin : Boolean;
+    function StartLogin (const AUsuario : String = ''; const APassword : String = ''): Boolean;
     procedure VerUsuarios;
     procedure VerPerfiles;
 
@@ -174,7 +174,7 @@ uses
   uDAInterfaces, uDataTableUtils, uDialogUtils, uFactuGES_App, Dialogs,
   uDateUtils, uROTypes, DateUtils, Controls, Windows, uIEditorLogin,
   uIEditorUsuarios, uIEditorUsuario, uIEditorPerfilesUsuario,
-  uIEditorPerfilUsuario, uEditorCambiarPassword;
+  uIEditorPerfilUsuario, uEditorCambiarPassword, uStringsUtils;
 
 { TUsuariosController }
 
@@ -856,22 +856,39 @@ begin
   FUserControl.ShowUserManager;
 end;
 
-function TUsuariosController.StartLogin : Boolean;
+function TUsuariosController.StartLogin (const AUsuario : String = '';
+  const APassword : String = ''): Boolean;
 var
   AEditor : IEditorLogin;
 begin
   Result := False;
   AEditor := NIL;
 
-  CreateEditor('EditorLogin', IEditorLogin, AEditor);
-  if Assigned(AEditor) then
+  // Intentamos un login automático si hay datos en los parámetros
+  if not EsCadenaVacia(AUsuario) and not EsCadenaVacia(APassword) then
+  begin
+    ShowHourglassCursor;
     try
-      AEditor.Controller := Self;
-      Result := (AEditor.ShowModal = mrOk);
+      Result := ComprobarUsuario(AUsuario, APassword);
     finally
-      AEditor.Release;
-      AEditor := NIL;
+      HideHourglassCursor;
     end;
+  end;
+
+  { Si los parámetros están vacíos o ComprobarUsuario ha fallado,
+    mostrar la pantalla de login }
+  if not Result then
+  begin
+    CreateEditor('EditorLogin', IEditorLogin, AEditor);
+    if Assigned(AEditor) then
+      try
+        AEditor.Controller := Self;
+        Result := (AEditor.ShowModal = mrOk);
+      finally
+        AEditor.Release;
+        AEditor := NIL;
+      end;
+  end;
 end;
 
 procedure TUsuariosController.FiltrarEmpresa(AUsuario: IBizUsuario);
diff --git a/Source/ApplicationBase/uFactuGES_App.pas b/Source/ApplicationBase/uFactuGES_App.pas
index c094037..7e383e6 100644
--- a/Source/ApplicationBase/uFactuGES_App.pas
+++ b/Source/ApplicationBase/uFactuGES_App.pas
@@ -8,6 +8,7 @@ uses
 
 type
   TAppFactuGES_Event = procedure;
+  TOnBeforeStartLogin_Event = procedure(var ANombreUsuario: String; var APassword: String);
 
   IAppSplashForm = interface
     ['{9905DF57-4476-42E6-A7CD-B1479A84E220}']
@@ -32,6 +33,9 @@ type
     function GetModuleManager : THostManager;
     function GetTerminated: Boolean;
 
+    function GetOnBeforeStartLogin : TOnBeforeStartLogin_Event;
+    procedure SetOnBeforeStartLogin (AOnBeforeStartLogin : TOnBeforeStartLogin_Event);
+
     function GetLoadModulesEvent : TAppFactuGES_Event;
     procedure SetLoadModulesEvent (ALoadModulesEvent : TAppFactuGES_Event);
 
@@ -68,6 +72,7 @@ type
     property DoMainFormEvent : TAppFactuGES_Event read GetDoMainFormEvent write SetDoMainFormEvent;
     property DoLoadModulesEvent : TAppFactuGES_Event read GetLoadModulesEvent write SetLoadModulesEvent;
     property DoRefreshMainFormEvent : TAppFactuGES_Event read GetDoRefreshMainFormEvent write SetDoRefreshMainFormEvent;
+    property OnBeforeStartLogin : TOnBeforeStartLogin_Event read GetOnBeforeStartLogin write SetOnBeforeStartLogin;
     property Terminated : Boolean read GetTerminated;
   end;
 
@@ -84,6 +89,7 @@ type
     FDoMainFormEvent: TAppFactuGES_Event;
     FDoLoadModulesEvent: TAppFactuGES_Event;
     FDoRefreshMainFormEvent: TAppFactuGES_Event;
+    FOnBeforeStartLogin : TOnBeforeStartLogin_Event;
 
     function GetMainForm: TCustomForm;
     function GetEmpresasController: IEmpresasController;
@@ -108,11 +114,16 @@ type
     function GetAppSplashForm : IAppSplashForm;
     procedure SetAppSplashForm (AAppSplashForm : IAppSplashForm);
 
+    function GetOnBeforeStartLogin : TOnBeforeStartLogin_Event;
+    procedure SetOnBeforeStartLogin (AOnBeforeStartLogin : TOnBeforeStartLogin_Event);
+
     procedure AfterLoadModule(Sender: TObject; AModuleInfo: TModuleInfo);
     procedure RegisterModule(AModuleInfo : TModuleInfo);
+    procedure SetOnBeforesStartLogin(const Value: TOnBeforeStartLogin_Event);
   protected
     procedure DoMainForm;
     procedure DoRefreshMainForm;
+    function DoLogin: Boolean;
 
     procedure CargarModulos;
     procedure ShowSplashForm;
@@ -144,6 +155,7 @@ type
     property DoLoadModulesEvent : TAppFactuGES_Event read GetLoadModulesEvent write SetLoadModulesEvent;
     property DoRefreshMainFormEvent : TAppFactuGES_Event read GetDoRefreshMainFormEvent write SetDoRefreshMainFormEvent;
     property Terminated : Boolean read GetTerminated;
+    property OnBeforeStartLogin : TOnBeforeStartLogin_Event read GetOnBeforeStartLogin write SetOnBeforesStartLogin;
   end;
 
 var
@@ -216,6 +228,20 @@ begin
   inherited;
 end;
 
+function TAppFactuGES.DoLogin: Boolean;
+var
+  AUsuario,
+  APassword : String;
+begin
+  AUsuario := '';
+  APassword := '';
+  
+  if Assigned(FOnBeforeStartLogin) then
+    FOnBeforeStartLogin(AUsuario, APassword);
+
+  Result := UsuariosController.StartLogin(AUsuario, APassword);
+end;
+
 procedure TAppFactuGES.DoMainForm;
 begin
   if not Assigned(FDoMainFormEvent) then
@@ -292,6 +318,11 @@ begin
   Result := FHostManager;
 end;
 
+function TAppFactuGES.GetOnBeforeStartLogin: TOnBeforeStartLogin_Event;
+begin
+  Result := FOnBeforeStartLogin;
+end;
+
 function TAppFactuGES.GetTerminated: Boolean;
 begin
   Result := FTerminated;
@@ -339,7 +370,7 @@ end;
 
 procedure TAppFactuGES.Run;
 begin
-  if UsuariosController.StartLogin then
+  if DoLogin then
   begin
     ShowHourglassCursor;
     ShowSplashForm;
@@ -427,6 +458,18 @@ begin
   FDoLoadModulesEvent := ALoadModulesEvent;
 end;
 
+procedure TAppFactuGES.SetOnBeforesStartLogin(
+  const Value: TOnBeforeStartLogin_Event);
+begin
+
+end;
+
+procedure TAppFactuGES.SetOnBeforeStartLogin(
+  AOnBeforeStartLogin: TOnBeforeStartLogin_Event);
+begin
+  FOnBeforeStartLogin := AOnBeforeStartLogin;
+end;
+
 procedure TAppFactuGES.ShowSplashForm;
 begin
   if not Assigned(FAppSplashForm) then
diff --git a/Source/Cliente/FactuGES.dpr b/Source/Cliente/FactuGES.dpr
index b105df3..e443745 100644
--- a/Source/Cliente/FactuGES.dpr
+++ b/Source/Cliente/FactuGES.dpr
@@ -1,6 +1,7 @@
 program FactuGES;
 
 uses
+  ExceptionLog,
   Forms,
   Windows,
   SysUtils,
diff --git a/Source/Cliente/FactuGES.dproj b/Source/Cliente/FactuGES.dproj
index 9276bf9..c136bd1 100644
--- a/Source/Cliente/FactuGES.dproj
+++ b/Source/Cliente/FactuGES.dproj
@@ -48,6 +48,7 @@
     <DCC_DebugInfoInExe>True</DCC_DebugInfoInExe>
     <DCC_DebugVN>True</DCC_DebugVN>
     <DCC_SymbolReferenceInfo>2</DCC_SymbolReferenceInfo>
+    <DCC_Define>EUREKALOG;EUREKALOG_VER6</DCC_Define>
   </PropertyGroup>
   <ProjectExtensions>
     <Borland.Personality>Delphi.Personality</Borland.Personality>
@@ -79,7 +80,7 @@
 <!-- EurekaLog First Line
 [Exception Log]
 EurekaLog Version=6011
-Activate=0
+Activate=1
 Activate Handle=1
 Save Log File=1
 Foreground Tab=0
diff --git a/Source/Cliente/uBootStrap.pas b/Source/Cliente/uBootStrap.pas
index d7f0cc0..1140e28 100644
--- a/Source/Cliente/uBootStrap.pas
+++ b/Source/Cliente/uBootStrap.pas
@@ -66,6 +66,12 @@ begin
   Application.CreateForm(TfPantallaPrincipal, fPantallaPrincipal);
 end;
 
+procedure BeforeStartLogin(var ANombreUsuario: String; var APassword: String);
+begin
+  ANombreUsuario := 'admin';
+  APassword := '1';
+end;
+
 procedure Initialize;
 begin
   dmConexion := TdmConexion.Create(NIL);
@@ -78,7 +84,8 @@ begin
     AppSplashForm := TAppSplashForm.Create;
     DoMainFormEvent := DoAppMainForm;
     DoLoadModulesEvent := DoAppLoadModules;
-    DoRefreshMainFormEvent := DoRefreshMainForm; 
+    DoRefreshMainFormEvent := DoRefreshMainForm;
+    OnBeforeStartLogin := BeforeStartLogin;
   end;
 
   NavPaneController := TNavPaneController.Create;
diff --git a/Source/Cliente/uPantallaPrincipal.pas b/Source/Cliente/uPantallaPrincipal.pas
index 8baf9ee..0ac3020 100644
--- a/Source/Cliente/uPantallaPrincipal.pas
+++ b/Source/Cliente/uPantallaPrincipal.pas
@@ -180,8 +180,6 @@ begin
   ApplicationEvents.Activate;
   Application.Title := AppFactuGES.AppName + ' ' + AppFactuGES.AppVersion;
   Caption := Application.Title;
-
-  actLogin.Execute;
 end;
 
 procedure TfPantallaPrincipal.FormShow(Sender: TObject);