I changed the python version to 2.7.8 on the x86 machine. Search for 'matching' gives a slightly different traceback
Leo Log Window Leo 4.11 final, build 4dddc3320dbb (branch: master), 2014-08-09 11:01:35 Python 2.7.8, PyQt version 4.8.6 Windows Vista x86 (build 6.0.6002) SP2 reading: C:\Python27\Lib\site-packages\leo-editor\leo\doc\LeoDocs.leo reading: @edit conf.py reading: @edit leo_toc.html.txt ... hook failed: select3, <bound method todoController.updateUI of <leo.plugins.todo.todoController instance at 0x05719F58>>, leo.plugins.todoTraceback (most recent call last): Traceback (most recent call last): File "C:\Python27\Lib\site-packages\leo-editor\leo\core\leoPlugins.py", line 357, in callTagHandler result = handler(tag,keywords) File "C:\Python27\Lib\site-packages\leo-editor\leo\core\leoPlugins.py", line 357, in callTagHandler result = handler(tag,keywords) File "C:\Python27\Lib\site-packages\leo-editor\leo\plugins\todo.py", line 1173, in updateUI self.ui.UI.createdTxt.setText(created.strftime("%d %b %y?")) File "C:\Python27\Lib\site-packages\leo-editor\leo\plugins\todo.py", line 1173, in updateUI self.ui.UI.createdTxt.setText(created.strftime("%d %b %y?"))ValueError: year=1106 is before 1900; the datetime strftime() methods require year >= 1900 ValueError: year=1106 is before 1900; the datetime strftime() methods require year >= 1900 [end] The todo.py plugin appears to be the the problem. When I disable todo.py there is no traceback error. Regards Lewis -- You received this message because you are subscribed to the Google Groups "leo-editor" group. To unsubscribe from this group and stop receiving emails from it, send an email to leo-editor+unsubscr...@googlegroups.com. To post to this group, send email to leo-editor@googlegroups.com. Visit this group at http://groups.google.com/group/leo-editor. For more options, visit https://groups.google.com/d/optout.