Can't run manage.py runserver (Django 1.5.1)

Hi guys

i'm new to python as well as django. Seeking help for this problem

I have python 3.3 installed and django 1.5.1 on win 7

so when i run manage.py runserver i got this error message

c:\mysite>python manage.py runserver

Validating models...

0 errors found

August 04, 2013 - 18:51:37

Django version 1.5.1, using settings 'mysite.settings'

Development server is running at http://127.0.0.1:8000/

Quit the server with CTRL-BREAK.

Error: 'utf-8' codec can't decode byte 0xc0 in position 0: invalid start byte

Googling didn't help, unfortunately

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