diff --git a/gtk2_ardour/plugin_interest.h b/gtk2_ardour/plugin_interest.h
index 047fe708c0..7661a84d33 100644
--- a/gtk2_ardour/plugin_interest.h
+++ b/gtk2_ardour/plugin_interest.h
@@ -30,7 +30,7 @@ class PluginInterestedObject {
 	PluginInterestedObject() {}
 	virtual ~PluginInterestedObject() {}
 
-	virtual void use_plugins (const SelectedPlugins&) = 0;
+	virtual bool use_plugins (const SelectedPlugins&) = 0;
 };
 
 #endif /* __gtkardour_plugin_interest_h__ */
diff --git a/gtk2_ardour/plugin_selector.cc b/gtk2_ardour/plugin_selector.cc
index 890c09ede2..7953290b00 100644
--- a/gtk2_ardour/plugin_selector.cc
+++ b/gtk2_ardour/plugin_selector.cc
@@ -63,7 +63,7 @@ static const char* _filter_mode_strings[] = {
 };
 
 PluginSelector::PluginSelector (PluginManager *mgr)
-	: ArdourDialog (_("ardour: plugins"), true, false),
+	: ArdourDialog (_("Plugin Manager"), true, false),
 	  filter_button (Stock::CLEAR)
 {
 	set_position (Gtk::WIN_POS_MOUSE);
@@ -442,29 +442,36 @@ PluginSelector::run ()
 {
 	ResponseType r;
 	TreeModel::Children::iterator i;
-	SelectedPlugins plugins;
 
-	r = (ResponseType) Dialog::run ();
+	bool finish = false;
+	
+	while (!finish) {
 
-	switch (r) {
-	case RESPONSE_APPLY:
-		for (i = amodel->children().begin(); i != amodel->children().end(); ++i) {
-			PluginInfoPtr pp = (*i)[acols.plugin];
-			PluginPtr p = load_plugin (pp);
-			if (p) {
-				plugins.push_back (p);
+		SelectedPlugins plugins;
+		r = (ResponseType) Dialog::run ();
+		
+		switch (r) {
+		case RESPONSE_APPLY:
+			for (i = amodel->children().begin(); i != amodel->children().end(); ++i) {
+				PluginInfoPtr pp = (*i)[acols.plugin];
+				PluginPtr p = load_plugin (pp);
+				if (p) {
+					plugins.push_back (p);
+				}
 			}
+			if (interested_object && !plugins.empty()) {
+				finish = !interested_object->use_plugins (plugins);
+			}
+			
+			break;
+			
+		default:
+			finish = true;
+			break;
 		}
-		if (interested_object && !plugins.empty()) {
-			interested_object->use_plugins (plugins);
-		}
-
-		break;
-
-	default:
-		break;
 	}
-
+		
+		
 	hide();
 	amodel->clear();
 	interested_object = 0;
diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index 4b34bd0f68..e5d479b9ab 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -742,7 +742,8 @@ ProcessorBox::choose_plugin ()
 	_get_plugin_selector()->set_interested_object (*this);
 }
 
-void
+/** @return true if an error occurred, otherwise false */
+bool
 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
 {
 	for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
@@ -757,6 +758,7 @@ ProcessorBox::use_plugins (const SelectedPlugins& plugins)
 
 		if (_route->add_processor (processor, _placement, &err_streams)) {
 			weird_plugin_dialog (**p, err_streams);
+			return true;
 			// XXX SHAREDPTR delete plugin here .. do we even need to care?
 		} else {
 
@@ -765,12 +767,14 @@ ProcessorBox::use_plugins (const SelectedPlugins& plugins)
 			}
 		}
 	}
+
+	return false;
 }
 
 void
 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
 {
-	ArdourDialog dialog (_("ardour: weird plugin dialog"));
+	ArdourDialog dialog (_("Plugin Incompatibility"));
 	Label label;
 
 	string text = string_compose(_("You attempted to add the plugin \"%1\" at index %2.\n"),
diff --git a/gtk2_ardour/processor_box.h b/gtk2_ardour/processor_box.h
index 5c5035c1d2..1e4257d22b 100644
--- a/gtk2_ardour/processor_box.h
+++ b/gtk2_ardour/processor_box.h
@@ -197,7 +197,7 @@ class ProcessorBox : public Gtk::HBox, public PluginInterestedObject, public ARD
 	void return_io_finished (IOSelector::Result, boost::weak_ptr<ARDOUR::Processor>, IOSelectorWindow*);
 	void choose_insert ();
 	void choose_plugin ();
-	void use_plugins (const SelectedPlugins&);
+	bool use_plugins (const SelectedPlugins&);
 
 	bool no_processor_redisplay;