--- old/src/share/vm/utilities/vmError.cpp	2011-02-25 10:00:16.364362300 +0100
+++ new/src/share/vm/utilities/vmError.cpp	2011-02-25 10:00:15.979943800 +0100
@@ -802,7 +802,9 @@
     first_error_tid = mytid;
     set_error_reported();
 
-    if (ShowMessageBoxOnError) {
+    if (ShowMessageBoxOnError ||
+      (Arguments::created_by_gamma_launcher() && PauseAtExit && os::is_debugger_attached()))
+    {
       show_message_box(buffer, sizeof(buffer));
 
       // User has asked JVM to abort. Reset ShowMessageBoxOnError so the