Enthought树冠:“pythonw。exe已经停止工作

I am currently running Enthought Canopy version 1.5.2 full version, through an academic license at a 64bit Windows 7. I was a happy user for a couple months until a 'pythonw.exe has stopped working' issue rendered the software useless. This issue shows up when I open the editor (Ipython+Canopy's GUI) and does not allows me to use the software at all. I have tried the following solutions without luck:I am currently running Enthought Canopy version