Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I want to install Psyco on my Windows 7 x64. I have Python 3 installed but i am getting the error

No Python Installation Found in Registry

share|improve this question
up vote 0 down vote accepted

Did you install 64-bit Python 3? Psyco is not available for 64-bit Python. Python puts registry entries at different locations for 32- vs 64-bit installations, as explained at their bugtracker. If you've installed 64-bit Python, Psyco won't find it since it is looking for a 32-bit installation.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.