diff --git a/mitterlib/ui/ui_pygtk.py b/mitterlib/ui/ui_pygtk.py
index 5fc5a57..5726909 100644
--- a/mitterlib/ui/ui_pygtk.py
+++ b/mitterlib/ui/ui_pygtk.py
@@ -26,6 +26,7 @@ import logging
 import urllib2
 import gettext
 import datetime
+import warnings
 
 from mitterlib.ui.helpers.image_helpers import find_image
 from mitterlib.ui.helpers.gtk_threading import ThreadManager
@@ -801,11 +802,11 @@ class Interface(object):
         """Function called if the retrival of current messages returns an
         exception."""
         _log.debug(str(exception))
+        message = _('%s\nAuto-refresh is now disabled. Use the "refresh" ' \
+                'option to re-enable it.') % (str(exception))
         error_win = gtk.MessageDialog(parent=self._main_window,
                 type=gtk.MESSAGE_ERROR,
-                message_format=_('Error retrieving current messages. ' \
-                        'Auto-refresh disabled. Use the "Refresh" option ' \
-                        'to re-enable it.'),
+                message_format=_message,
                 buttons=gtk.BUTTONS_OK)
         error_win.run()
         error_win.hide()
@@ -902,10 +903,10 @@ class Interface(object):
         """Called when there is an exception updating the status."""
         _log.debug('Update error')
         _log.debug(str(exception))
+        message = _('%s\nPlease, try again.') % (message)
         error_win = gtk.MessageDialog(parent=self._main_window,
                 type=gtk.MESSAGE_ERROR,
-                message_format=_('Error updating your status. Please ' \
-                        'try again.'),
+                message_format=message,
                 buttons=gtk.BUTTONS_OK)
         error_win.run()
         error_win.hide()
@@ -928,6 +929,12 @@ class Interface(object):
         """Called when the message cannot be deleted."""
         _log.debug('Delete error')
         _log.debug(str(exception))
+        error_win = gtk.MessageDialog(parent=self._main_window,
+                type=gtk.MESSAGE_ERROR,
+                message_format=str(exception),
+                buttons=gtk.BUTTONS_OK)
+        error_win.run()
+        error_win.hide()
         return
 
     ### Results for the repost message call
@@ -944,8 +951,7 @@ class Interface(object):
 
         error_win = gtk.MessageDialog(parent=self._main_window,
                 type=gtk.MESSAGE_ERROR,
-                message_format=_('Error reposting message. Please ' \
-                        'try again.'),
+                message_format=str(exception),
                 buttons=gtk.BUTTONS_OK)
         error_win.run()
         error_win.hide()
@@ -969,8 +975,7 @@ class Interface(object):
 
         error_win = gtk.MessageDialog(parent=self._main_window,
                 type=gtk.MESSAGE_ERROR,
-                message_format=_('Error changing favorite status of the ' \
-                        'message. Please, try again.'),
+                message_format=str(exception),
                 buttons=gtk.BUTTONS_OK)
         error_win.run()
         error_win.hide()
@@ -1018,6 +1023,9 @@ class Interface(object):
         """Call function; displays the interface. This method should
         appear on every interface."""
 
+        # turn warnings into exception (so we can catch them)
+        warnings.simplefilter('error')
+
         if self._options[self.NAMESPACE]['statusicon']:
             self._statusicon = gtk.StatusIcon()
             self._statusicon.set_from_pixbuf(self._images['icon'])