I'm having a bizarre problem with iCal on one of my macs. Using the latest version of iCal and 10.4.10, every time you open iCal it stays open for about 10-15 seconds, then the spinning beach ball of death appears and hangs for about 10 seconds before iCal quits automatically, bringing up the "application has quit unexpectedly" dialog. I tried creating a new user account and opening iCal from that account and it works perfectly. So something in this user account is keeping iCal from operating. Where should I start?