I faced to the same problem. I solved it by
HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\InstallPath
and edit the default key with the output of
C:\> where python.exe
command.HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\InstallPath\InstallGroup
and edit the default key with Python 3.4
Note: My python version is 3.4 and you need to replace 3.4 with your python version.
Normally you can find Registry entries for Python in HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\<version>
. You just need to copy those entries to HKEY_CURRENT_USER\Software\Python\PythonCore\<version>