diff --git a/Aviso/frmSendungsdetailsNEU.vb b/Aviso/frmSendungsdetailsNEU.vb
index 9953ebf..e5dddd3 100644
--- a/Aviso/frmSendungsdetailsNEU.vb
+++ b/Aviso/frmSendungsdetailsNEU.vb
@@ -4990,15 +4990,22 @@ Public Class frmSendungsdetailsNEU
             Try
                 Dim files As New List(Of String) '
                 Dim outputFile As String = VERAG_PROG_ALLGEMEIN.DATENVERVER_OPTIONS.getTMPPath("Merge.pdf", ".pdf", True,, "Merge") ' "result.pdf"
+                Dim counter As Integer = 0
 
 
                 For Each r As DataGridViewRow In dgvAnhang.SelectedRows
 
-                    If r.Cells("anh_Typ").Value.ToString.ToLower = "pdf" Then files.Add(VERAG_PROG_ALLGEMEIN.cDATENSERVER.GET_PDFPath_BY_DocID(r.Cells("anh_docId").Value))
+                    If r.Cells("anh_Typ").Value.ToString.ToLower = "pdf" Then
+                        files.Add(VERAG_PROG_ALLGEMEIN.cDATENSERVER.GET_PDFPath_BY_DocID(r.Cells("anh_docId").Value))
+                        counter += 1
+                    End If
                 Next
+
                 VERAG_PROG_ALLGEMEIN.cFormularManager.mergePDFs(files, outputFile)
 
-                Process.Start(outputFile)
+                If outputFile <> "" AndAlso counter > 0 Then
+                    Process.Start(outputFile)
+                End If
 
             Catch ex As Exception
                 VERAG_PROG_ALLGEMEIN.cErrorHandler.ERR(ex.Message, ex.StackTrace, System.Reflection.MethodInfo.GetCurrentMethod.Name)