Yes, there is a log somewhere on your computer, but that depends on your OS. If you are running linux, you will find it in /tmp. Otherwise, I suggest you to search in the forums where that may be in win or mac because I never remember! :blush:
Also, be sure you are able to replicate the crash (I am talking about the apps, of course) and post the steps you have done in order for other people to replicate it.
Please post OS and boxee version (settings -> general) with your message.
All my computers are Ubuntu-powered, so step aside if you don't want to be run over