ShowStopper

Hi, I've been using several previous versions of CCleaner with no problem, but starting a few days ago when I start CCleaner I get the CCleaner window for about a second, and then it disappears, the application terminates. I didn't install a new version nor change any settings. A clean reinstall after the appearance of the problem didn't help either. Any suggestions? Has anyone encountered such a problem? Thanks, "Showstopper".