diff --git a/gramps/gui/displaystate.py b/gramps/gui/displaystate.py
index 65823ed4a..462b3c256 100644
--- a/gramps/gui/displaystate.py
+++ b/gramps/gui/displaystate.py
@@ -538,7 +538,11 @@ class DisplayState(Callback):
             self.window.get_window().set_cursor(self.BUSY_CURSOR)
         else:
             self.window.get_window().set_cursor(self.cursor)
-        process_pending_events()
+        if self.window.get_window().is_visible():
+            #avoid critical gdk error: 
+            #Gdk-CRITICAL **: gdk_error_trap_pop_internal: assertion `trap != NULL' failed
+            #only process events if window is actually visible
+            process_pending_events()
 
     def set_open_widget(self, widget):
         self.widget = widget
diff --git a/gramps/gui/views/listview.py b/gramps/gui/views/listview.py
index ed8b390e2..2eb3ff719 100644
--- a/gramps/gui/views/listview.py
+++ b/gramps/gui/views/listview.py
@@ -285,7 +285,11 @@ class ListView(NavigationView):
         function because we don't want to set the color of untagged rows.
         '''
         fg_color = model.get_value(iter_, model.color_column())
-        renderer.set_property('foreground', fg_color)
+        #for color errors, typically color column is badly set
+        if fg_color:
+            renderer.set_property('foreground', fg_color)
+        else:
+            _LOG.debug('Bad color set: ' + str(fg_color))
 
     def set_active(self):
         """
diff --git a/gramps/gui/views/treemodels/treebasemodel.py b/gramps/gui/views/treemodels/treebasemodel.py
index 39745c335..343ef9807 100644
--- a/gramps/gui/views/treemodels/treebasemodel.py
+++ b/gramps/gui/views/treemodels/treebasemodel.py
@@ -452,7 +452,7 @@ class TreeBaseModel(GObject.GObject, Gtk.TreeModel):
                 if search[1]:
                     # we have search[1] = (index, text_unicode, inversion)
                     col, text, inv = search[1]
-                    func = lambda x: self._get_value(x, col) or ""
+                    func = lambda x: self._get_value(x, col, store_cache=False) or ""
                     if search[2]:
                         self.search = ExactSearchFilter(func, text, inv)
                     else:
@@ -912,7 +912,7 @@ class TreeBaseModel(GObject.GObject, Gtk.TreeModel):
         else:
             return val
 
-    def _get_value(self, handle, col, secondary=False):
+    def _get_value(self, handle, col, secondary=False, store_cache=True):
         """
         Returns the contents of a given column of a gramps object
         """
@@ -923,7 +923,7 @@ class TreeBaseModel(GObject.GObject, Gtk.TreeModel):
                 data = self.map(handle)
             else:
                 data = self.map2(handle)
-        if not self._in_build:
+        if not self._in_build and store_cache:
             self.lru_data[handle] = data
 
         try: