I run Windows XP Pro under a non-privileged user. I installed Kana Invaders 0.3beta as Administrator. When I start the application under my normal user, this error occurs:
Exception Thrown: void Repository::saveToDisk() could not save data/repository.dat.
To fix the problem, I had to start a command interpreter as Administrator and do:
cd m:\Program Files\kanainvaders-0.3beta4
cacls...