PyDev: Fatal error Python32\lib\io.py, line 60, in <module>

I work in PyDev and quite suddenly, I cannot run my python programs from within Eclipse's PyDev (version 2.1.0) anymore.

Any python program I have ran through Run As > Python Run fails wioth

Fatal Python error: Py_Initialize: can't initialize sys standard streams
Traceback (most recent call last):
  File "C:\Python32\lib\io.py", line 60, in <module>

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

• I can still run my program in command Line, only Eclipse * I have only one version of Python (3.2)
• I haven't changed my python files since last time they worked. They are encoded UTF-8.
• I haven't upgraded Eclipse nor PyDev since last time they worked
• Python is installed in c:\python32 (defined in the environment variable PYTHONPATH)
• My XP system has been updated today for KB2536276 and

Any idea?

I have finally found out where the problem came from: I had a file called stat.py and this is apparently creating a conflict with Lib/stat.py

Unfortunately the error message was very obscure. And I just don't understand why pyDev behaves differently than python.exe