New Python 2.7.3 from python.org

Hello
I have installed the new Python 2.7.3 from python.org, and also copied it (C:Python27) in position of /c/px4/Python27, as well as it completed successfully. But I got the following errors after that. I need to solve this error. Please help me to find a solution.

pythone.exe – System Error
Then the build finishes:

Thanks in advance.
