Problem with Starting IDLE for Python

Sometimes we have problem with IDLE for Python, so we must start it with a system command line that forces it to run in single-process mode (without a user-code subprocess). Using -n flag we can force this mode.

D:\Python33\Lib\idlelib idle.py -n

For example, I use the following:

D:\Python33\Lib\idlelib>idle.py -n

So we see in our IDLE:

Python 3.3.0 (v3.3.0:bd8afb90ebf2, Sep 29 2012, 10:55:48) [MSC v.1600 32 bit (Intel)] on win32
Type “copyright”, “credits” or “license()” for more information.
==== No Subprocess ====
>>>

You see that there’s no subprocess.