Can't help with the crash. However hearing the TC is usually a setup issue. Make sure that in the settings of your soundcard you have disabled monitoring of the inputs.
downloads + more forums = Register license(ucp.php?i=169) Apple store new user? first read viewtopic.php?f=259&t=34199 Manual? In Cross open menu, select Help (available 24/7). Audio dropouts? Increase audio 'buffer size' value.
Soundcard not available/working? Try the 32bit version of Cross (is also installed).