diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 142f4ca4..581e11d4 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -799,9 +799,14 @@ namespace GARbro.GUI
             {
                 using (var input = OpenEntry (entry))
                 {
+                    FormatCatalog.Instance.LastError = null;
                     var sound = AudioFormat.Read (input);
                     if (null == sound)
+                    {
+                        if (null != FormatCatalog.Instance.LastError)
+                            throw FormatCatalog.Instance.LastError;
                         return;
+                    }
 
                     if (m_audio != null)
                     {
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index b5f62c74..90ee7602 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -51,5 +51,5 @@ using System.Windows;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion ("1.0.3.11")]
-[assembly: AssemblyFileVersion ("1.0.2.11")]
+[assembly: AssemblyVersion ("1.0.3.12")]
+[assembly: AssemblyFileVersion ("1.0.2.12")]