diff --git a/mailnews/base/prefs/resources/content/accountUtils.js b/mailnews/base/prefs/resources/content/accountUtils.js
index 87b35d9e00b..10c505bad56 100644
--- a/mailnews/base/prefs/resources/content/accountUtils.js
+++ b/mailnews/base/prefs/resources/content/accountUtils.js
@@ -115,8 +115,13 @@ function showMailIntegrationDialog() {
             }
         }
         catch (ex) {}
-        if (!prefLocked && !mapiRegistry.isDefaultMailClient)
+        try {
+          if (!prefLocked && !mapiRegistry.isDefaultMailClient)
             mapiRegistry.showMailIntegrationDialog();
+        }
+        catch (ex) {
+          dump("mapi code failed:  " + ex + "\n");
+        }
     }
 }