django-admin.py startproject mysite... this command does nothing for me

When trying to follow this tutorial, I get stuck after django-admin.py startproject mysite because no directory is created.  I doubt the command is even being executed, all it brings up is the code in a notepad++ window.  I have django installed properly because I can go to my python interpreter and type 'import django' and print the version.  I have two different Python installs 2.6 and 2.7.3  I am using 2.7.3 and I no longer use 2.6.  Could having multiple versions of Python affect Django?  Please help!

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