If ProSelect is crashing while launching, then this can be due to a few reasons including your Preference file being corrupted.  This can occur if your computer crashed while ProSelect was open, or the file was interfered with by other programs (such as Anti-Virus). In this case, please read the following article for how to Clear your ProSelect Preferences File.

Please also read the following articles for other possible reasons:

1. QuickTime on Windows causes errors
2. Norton Internet Security stops ProSelect from launching
3. ProSelect on Vista

Note: 

If it is crashing when running a slideshow or on exiting ProSelect, then this article on Slideshow crashing, then ProSelect on exit will assist.