Hi,

Same problem as issue 4407, but on release 3.1b1 this time.

Guessing the same cure would apply...


for reference, here is the updated text, taken from event viewer:

Product: Python 3.1b1 -- Error 1722. There is a problem with this
Windows Installer package. A program run as part of the setup did not
finish as expected. Contact your support personnel or package vendor. 
Action CompilePyc, location: L:\Python31\python.exe, command: -Wi
"L:\Python31\Lib\compileall.py" -f -x
bad_coding|badsyntax|site-packages|py2_ "L:\Python31\Lib" 

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