diff --git a/Controls.DocumentViewer/DocumentViewer.vb b/Controls.DocumentViewer/DocumentViewer.vb
index 0e8e5cf5..99ec7e0d 100644
--- a/Controls.DocumentViewer/DocumentViewer.vb
+++ b/Controls.DocumentViewer/DocumentViewer.vb
@@ -489,6 +489,7 @@ Public Class DocumentViewer
     End Sub
     Private Function DoLoadFile(FilePath As String) As Boolean
         Try
+            _logger.Debug($"DoLoadFile - Try loading file: {FilePath}")
             Dim oFileInfo = New FileInfo(FilePath)
             Dim oExtension As String = oFileInfo.Extension.ToUpper
 
@@ -499,7 +500,7 @@ Public Class DocumentViewer
 
             SpreadsheetControl1.Visible = False
             SpreadsheetControl1.Dock = DockStyle.None
-
+            _logger.Debug($"DoLoadFile - oExtension: {oExtension}")
             Select Case oExtension.ToUpper
                 Case ".MSG"
                     Dim oEmlPath As String = _email.Convert_ToEml(FilePath)
@@ -523,12 +524,13 @@ Public Class DocumentViewer
                     SpreadsheetControl1.Dock = DockStyle.Fill
 
                 Case Else
+                    _logger.Debug($"DoLoadFile - Else-Teil - GDViewer will be used...")
                     GdViewer.ZoomMode = ViewerZoomMode.ZoomModeWidthViewer
                     GdViewer.DocumentAlignment = ViewerDocumentAlignment.DocumentAlignmentTopCenter
                     GdViewer.ForceTemporaryMode = True
                     GdViewer.AnnotationDropShadow = True
-
-                    If GdViewer.DisplayFromFile(FilePath) <> GdPictureStatus.OK Then
+                    Dim oGDPictureStatus As GdPictureStatus = GdViewer.DisplayFromFile(FilePath)
+                    If oGDPictureStatus <> GdPictureStatus.OK Then
                         Dim oFileName = IO.Path.GetFileName(FilePath)
                         lbFileNotLoaded.Text = String.Format("Datei konnte nicht geladen werden:{0}{1}", vbCrLf, oFileName)
                         lbFileNotLoaded.Visible = True
@@ -540,6 +542,7 @@ Public Class DocumentViewer
 
             Return True
         Catch ex As Exception
+            _logger.Warn($"Unexpected Error in DoLoadFile - ErrorMessage: {ex.Message}")
             _logger.Error(ex)
             Return False
         End Try
diff --git a/Controls.DocumentViewer/My Project/AssemblyInfo.vb b/Controls.DocumentViewer/My Project/AssemblyInfo.vb
index e2b71e14..013c511e 100644
--- a/Controls.DocumentViewer/My Project/AssemblyInfo.vb	
+++ b/Controls.DocumentViewer/My Project/AssemblyInfo.vb	
@@ -31,5 +31,5 @@ Imports System.Runtime.InteropServices
 ' übernehmen, indem Sie "*" eingeben:
 ' <Assembly: AssemblyVersion("1.0.*")>
 
-<Assembly: AssemblyVersion("1.9.6.0")>
-<Assembly: AssemblyFileVersion("1.9.6.0")>
+<Assembly: AssemblyVersion("1.9.8.0")>
+<Assembly: AssemblyFileVersion("1.9.8.0")>