diff --git a/Ventas/Ventas.aspx b/Ventas/Ventas.aspx
index 935689de9..81715ba2b 100644
--- a/Ventas/Ventas.aspx
+++ b/Ventas/Ventas.aspx
@@ -1,4 +1,4 @@
-<%@ Page Title="Ventas - Facturación" Language="VB" MasterPageFile="~/Site.master" AutoEventWireup="false" CodeFile="Ventas.aspx.vb" Inherits="Ventas" EnableEventValidation="false" %>
+<%@ Page Title="Ventas - Facturación" Language="VB" MasterPageFile="~/Site.master" AutoEventWireup="false" CodeFile="Ventas.aspx.vb" Inherits="Ventas" EnableEventValidation="false"   %>
 
 <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
 <%@ Register Src="~/UserControl/AddMedico.ascx" TagPrefix="UserControl" TagName="AddMedico" %>
diff --git a/Ventas/Ventas.aspx.vb b/Ventas/Ventas.aspx.vb
index 0706e5dba..86e9bb18b 100644
--- a/Ventas/Ventas.aspx.vb
+++ b/Ventas/Ventas.aspx.vb
@@ -2898,6 +2898,7 @@ Partial Class Ventas
                     End If
 
                 End If
+
             Else
                 TxtFechaOS.Text = NowADS().ToDateTime.ToString("yyyy-MM-dd HH:mm").Replace(" ", "T")
 
@@ -10770,8 +10771,9 @@ Partial Class Ventas
                                 If UsuarioActual.Empresa.Funcionalidad(109) = "1" Then
                                     GeneraPDFFactura(ChkEnviarFactura.Checked, Factura, UsuarioActual, "", UsarDescargaDesdePopUpVerFactura:=False)
                                 Else
+                                    Dim capturedContext = HttpContext.Current
                                     Dim strURLHOST As String = String.Format("{0}://{1}:{2}", HttpContext.Current.Request.Url.Scheme, HttpContext.Current.Request.Url.Host, HttpContext.Current.Request.Url.Port)
-                                    Dim Hilo As New System.Threading.Thread(Sub() GeneraPDFFactura(ChkEnviarFactura.Checked, Factura, UsuarioActual, strURLHOST))
+                                    Dim Hilo As New System.Threading.Thread(Sub() GeneraPDFFactura(ChkEnviarFactura.Checked, Factura, UsuarioActual, strURLHOST, EsHilo:=True, Contexto:=capturedContext))
                                     Hilo.Start()
                                 End If
                             Catch ex As Exception
@@ -16307,7 +16309,14 @@ Partial Class Ventas
     ''' <param name="strURLHOST"></param>
     ''' <param name="CorreoCRM"></param>
     ''' <param name="UsarDescargaDesdePopUpVerFactura"></param>
-    Private Sub GeneraPDFFactura(EnviaCorreo As Boolean, Factura As Modelos.Factura, UsuarioActual As Usuario, strURLHOST As String, Optional CorreoCRM As String = "", Optional UsarDescargaDesdePopUpVerFactura As Boolean = True)
+    Private Sub GeneraPDFFactura(EnviaCorreo As Boolean, Factura As Modelos.Factura, UsuarioActual As Usuario, strURLHOST As String, Optional CorreoCRM As String = "", Optional UsarDescargaDesdePopUpVerFactura As Boolean = True,
+                                 Optional EsHilo As Boolean = False, Optional Contexto As HttpContext = Nothing)
+
+        If EsHilo Then
+            HttpContext.Current = Contexto
+            HttpContext.Current.Session("UsuarioSIG") = UsuarioActual
+        End If
+
         'GUARDA PDF
         Dim LocalSerieFolio As String = String.Empty
         Dim LocalTipoDocto As String = String.Empty
@@ -16368,6 +16377,8 @@ Partial Class Ventas
             End If
         End If
 
+
+
     End Sub
     Private Sub GeneraPDFCotizacion(EnviaCorreo As Boolean, Optional CorreoContactoCRM As String = "", Optional pdfCRM As Byte() = Nothing,
                                     Optional SerieFolioCRM As String = "", Optional TipoDoctoCRM As String = "")
@@ -17278,9 +17289,10 @@ Partial Class Ventas
                     'IMPRESION
                     Try
                         'MANDA CORREO
+                        Dim capturedContext = HttpContext.Current
                         Dim strURLHOST As String = String.Format("{0}://{1}:{2}", HttpContext.Current.Request.Url.Scheme, HttpContext.Current.Request.Url.Host, HttpContext.Current.Request.Url.Port)
                         Dim Factura As New Modelos.Factura(UsuarioActual, CveVenta, UsuarioActual.CveEmpresa, EsCancelacion:=False, CargaDTDetalle:=False, CargaDatosCliente:=False, CargaDatosRelacionados:=False, VerificaAlmacen:=False)
-                        Dim Hilo As New System.Threading.Thread(Sub() GeneraPDFFactura(ChkEnviarFactura.Checked, Factura, UsuarioActual, strURLHOST))
+                        Dim Hilo As New System.Threading.Thread(Sub() GeneraPDFFactura(ChkEnviarFactura.Checked, Factura, UsuarioActual, strURLHOST, EsHilo:=True, Contexto:=capturedContext))
                         Hilo.Start()
                     Catch ex As Exception
                         OnError("Ocurrió un error al enviar el PDF", ex)
@@ -38113,5 +38125,10 @@ Partial Class Ventas
         End If
 
     End Sub
+
+
+
+
+
 End Class