Error here on Win8 too.
It says see log file, which wasn't created
Edit: Run as Admin created a log
Traceback (most recent call last):
File "cura_app.py", line 8, in
File "c:\dev\uranium\UM\Application.py", line 326, in getInstance
File "c:\dev\cura\cura\CuraApplication.py", line 64, in __init__
File "c:\dev\python34\lib\configparser.py", line 937, in __getitem__
KeyError: 'general'