diff --git a/src/main/java/com/itextpdf/rups/model/ErrorDialogPane.java b/src/main/java/com/itextpdf/rups/model/ErrorDialogPane.java
index 16b82522..5596684a 100644
--- a/src/main/java/com/itextpdf/rups/model/ErrorDialogPane.java
+++ b/src/main/java/com/itextpdf/rups/model/ErrorDialogPane.java
@@ -49,6 +49,7 @@ This file is part of the iText (R) project.
 import java.awt.Dimension;
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.util.Optional;
 
 /**
  * A utility to display a dialog showing Throwable object
@@ -71,7 +72,17 @@ public static void showErrorDialog(Component parent, Throwable th) {
     private static String getTraceString(Throwable th) {
         final StringWriter sw = new StringWriter();
         final PrintWriter pw = new PrintWriter(sw);
-        th.printStackTrace(pw);
+        Optional<Throwable> chuckIt = Optional.ofNullable(th);
+        chuckIt.map(Throwable::getLocalizedMessage)
+                .ifPresent(pw::println);
+        chuckIt.map(Throwable::getCause)
+                .map(Throwable::getLocalizedMessage)
+                .ifPresent(msg -> {
+                    pw.print("Caused by: ");
+                    pw.println(msg);
+                });
+        pw.append("[Stack Trace]\n");
+        chuckIt.ifPresent(throwable -> throwable.printStackTrace(pw));
         return sw.toString();
     }
 }
diff --git a/src/main/java/com/itextpdf/rups/model/ObjectLoader.java b/src/main/java/com/itextpdf/rups/model/ObjectLoader.java
index 1eb41208..575ba416 100644
--- a/src/main/java/com/itextpdf/rups/model/ObjectLoader.java
+++ b/src/main/java/com/itextpdf/rups/model/ObjectLoader.java
@@ -42,6 +42,7 @@ This file is part of the iText (R) project.
  */
 package com.itextpdf.rups.model;
 
+import com.itextpdf.io.exceptions.IOException;
 import com.itextpdf.rups.view.Language;
 
 import javax.swing.SwingUtilities;
@@ -134,8 +135,13 @@ protected Void doInBackground() {
             progress.setMessage(Language.XREF_READING.getString());
             progress.setTotal(n);
         });
-        while (objects.storeNextObject()) {
-            SwingUtilities.invokeLater(() -> progress.setValue(objects.getCurrent()));
+        try {
+            while (objects.storeNextObject()) {
+                SwingUtilities.invokeLater(() -> progress.setValue(objects.getCurrent()));
+            }
+        }
+        catch (IOException ioe) {
+            progress.showErrorDialog(ioe);
         }
         SwingUtilities.invokeLater(() -> progress.setTotal(0));
         nodes = new TreeNodeFactory(objects);