Where can I download _winreg for python3 if I can at all. I have my 'windir' on E:\Windows. I do not know if cx_Freeze did not notice that. I am using cx_Freeze to create an msi installer.
As it says in the _winreg documentation, it has been renamed to winreg
in Python 3.0. You should run the 2to3 tool if you're converting code that was written for Python 2.x.