exited abnormally

I run rescuetime on two macs (a mac pro and a macbook pro). It used to work fine on both, but starting sometime in the last couple of weeks it broke on the laptop. It quits, silently, a minute or so after launching. A message does appear in the console that looks like these:

6/3/09 2:16:07 AM com.apple.launchd[41235] ([0x0-0x3595592].com.rescuetime.RescueTime[58669]) Exited abnormally: Abort trap
6/3/09 2:16:07 AM com.apple.launchd[41235] ([0x0-0x3595592].com.rescuetime.RescueTime[58669]) Exited abnormally: Abort trap
6/4/09 3:38:16 PM com.apple.launchd[41235] ([0x0-0x385084d].com.rescuetime.RescueTime[64985]) Exited abnormally: Abort trap