diff --git a/Aviso/My Project/AssemblyInfo.vb b/Aviso/My Project/AssemblyInfo.vb
index 51f8164..47b5cd2 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("4.0.4.2")>
-<Assembly: AssemblyFileVersion("4.0.4.2")>
+<Assembly: AssemblyVersion("4.0.4.3")>
+<Assembly: AssemblyFileVersion("4.0.4.3")>
diff --git a/Aviso/usrcntlAktDetails.vb b/Aviso/usrcntlAktDetails.vb
index f61f5df..1bfba7a 100644
--- a/Aviso/usrcntlAktDetails.vb
+++ b/Aviso/usrcntlAktDetails.vb
@@ -1543,7 +1543,7 @@ Public Class usrcntlAktDetails
                     For Each r As DataGridViewRow In gridVermerke.Rows
                         If r.Displayed Then showFirst = True
                         If showFirst Then
-                            If (r.Cells("Hervorheben").Value = "1" Or r.Cells("VermerkeOptions").Value <> "") AndAlso Not r.Displayed Then
+                            If (r.Cells("Hervorheben") IsNot Nothing AndAlso r.Cells("Hervorheben").Value = "1" Or r.Cells("VermerkeOptions") IsNot Nothing AndAlso r.Cells("VermerkeOptions").Value <> "") AndAlso Not r.Displayed Then
                                 picArrowDown.Visible = True
                             End If
                         End If