Thank you very much for reporting your problem. Do you get an error message when the program crashes ?
Please try the debug version of 3.23.7 contained inside this zip:
http://www.coollector.com/Coollector_debug.zipWhen crashing, it'll generate a crash dump, with the information needed to understand and fix this bug.
Please send the 2 files of the crash dump to this address:
hector at coollector dot com