abrt version: 1.1.17
architecture: i686
cmdline: /usr/bin/python /usr/bin/rednotebook -m
component: rednotebook
executable: /usr/bin/rednotebook
kernel: 2.6.35.11-83.fc14.i686
package: rednotebook-1.1.3-1.fc14
reason: main_window.py:653:load_values_from_config:TypeError: an integer is required
release: Fedora release 14 (Laughlin)
time: 1300701791
uid: 500

backtrace
-----
main_window.py:653:load_values_from_config:TypeError: an integer is required

Traceback (most recent call last):
  File "/usr/bin/rednotebook", line 12, in <module>
    rednotebook.journal.main()
  File "/usr/lib/python2.7/site-packages/rednotebook/journal.py", line 687, in main
    journal = Journal()
  File "/usr/lib/python2.7/site-packages/rednotebook/journal.py", line 292, in __init__
    self.frame = MainWindow(self)
  File "/usr/lib/python2.7/site-packages/rednotebook/gui/main_window.py", line 157, in __init__
    self.load_values_from_config()
  File "/usr/lib/python2.7/site-packages/rednotebook/gui/main_window.py", line 653, in load_values_from_config
    self.main_frame.move(pos_x, pos_y)
TypeError: an integer is required

Local variables in innermost frame:
pos_x: u'None'
pos_y: u'None'
screen_width: 1600
config: {u'checkForNewVersion': 0, u'cloudIgnoreList': u'comma, filter, separated, these, words', u'leftDividerPosition': 287, u'portable': 0, u'rightDividerPosition': 500, u'mainFrameMaximized': 0, u'userDir': u'', u'dataDir': u'/home/jimg/.rednotebook/data', u'useWebkit': 1, u'mainFrameHeight': 525, u'mainFrameX': u'None', u'mainFrameY': u'None', u'spellcheck': 0, u'cloudIncludeList': u'job, mtv, play, spam, work', u'closeToTray': 1, u'mainFontSize': -1, u'mainFrameWidth': 800, u'weekNumbers': 0, u'dateTimeString': u'%A, %x %X', u'cloudTabActive': 1}
self: <rednotebook.gui.main_window.MainWindow object at 0xb76ca90c>
main_frame_height: 525
main_frame_width: 800
screen_height: 1200

comment
-----
RedNotebook is set to start in Gnome's tray on login. It was at this point it crashed.

It does not do this every time, but occasionally.

How to reproduce
-----
1. log in (RedNotebook is started automatically)
2. crash
3.