diff --git a/Aviso/My Project/AssemblyInfo.vb b/Aviso/My Project/AssemblyInfo.vb
index d6b263e..6c780f7 100644
--- a/Aviso/My Project/AssemblyInfo.vb	
+++ b/Aviso/My Project/AssemblyInfo.vb	
@@ -31,5 +31,5 @@ Imports System.Runtime.InteropServices
 ' übernehmen, indem Sie "*" eingeben:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("4.0.3.8")>
-<Assembly: AssemblyFileVersion("4.0.3.8")>
+<Assembly: AssemblyVersion("4.0.3.9")>
+<Assembly: AssemblyFileVersion("4.0.3.9")>
diff --git a/Aviso/frmSendungsdetailsNEU.vb b/Aviso/frmSendungsdetailsNEU.vb
index 768cea8..5ac3a16 100644
--- a/Aviso/frmSendungsdetailsNEU.vb
+++ b/Aviso/frmSendungsdetailsNEU.vb
@@ -4154,13 +4154,18 @@ Public Class frmSendungsdetailsNEU
 
 
                             Dim docPath = VERAG_PROG_ALLGEMEIN.cDATENSERVER.GET_PDFPath_BY_DocID(dgvAnhang.SelectedRows(0).Cells("anh_docId").Value)
-                        If Not IO.File.Exists(docPath) Then
+                        If Not File.Exists(docPath) Then
                             MsgBox("Die Datei existiert nicht!")
                         Else
                             If docPath.ToString.ToLower.EndsWith(".msg") Then ' MSG - Mails --> lokale Kopie, sonst Fehler  (bereits von Benutzer soUndSo geöffnet)
-                                Dim docPathTMP = VERAG_PROG_ALLGEMEIN.cFormularManager.getTMPPath_MSG()
-                                System.IO.File.Copy(docPath, docPathTMP)
-                                Process.Start(docPathTMP)
+                                Try
+                                    Dim docPathTMP = VERAG_PROG_ALLGEMEIN.cFormularManager.getTMPPath_MSG()
+                                    File.Copy(docPath, docPathTMP)
+                                    Process.Start(docPathTMP)
+                                Catch ex As Exception
+                                    'wenn fehler, soll versucht werden, das oríginal zu öffnen.
+                                    Process.Start(docPath)
+                                End Try
                             Else
                                 Process.Start(docPath)
                             End If
diff --git a/Aviso/usrcntlAktDetailsATILLANeu.vb b/Aviso/usrcntlAktDetailsATILLANeu.vb
index 3445685..972e0e2 100644
--- a/Aviso/usrcntlAktDetailsATILLANeu.vb
+++ b/Aviso/usrcntlAktDetailsATILLANeu.vb
@@ -606,9 +606,13 @@ Public Class usrcntlAktDetailsATILLANeu
                         MsgBox("Die Datei existiert nicht!")
                     Else
                         If docPath.ToString.ToLower.EndsWith(".msg") Then ' MSG - Mails --> lokale Kopie, sonst Fehler  (bereits von Benutzer soUndSo geöffnet)
-                            Dim docPathTMP = VERAG_PROG_ALLGEMEIN.cFormularManager.getTMPPath_MSG()
-                            File.Copy(docPath, docPathTMP)
-                            Process.Start(docPathTMP)
+                            Try
+                                Dim docPathTMP = VERAG_PROG_ALLGEMEIN.cFormularManager.getTMPPath_MSG()
+                                File.Copy(docPath, docPathTMP)
+                                Process.Start(docPathTMP)
+                            Catch ex As Exception
+                                Process.Start(docPath)
+                            End Try
                         Else
                             Process.Start(docPath)
                         End If