We're sorry to hear that Rapport caused your Safari browser to crash. That can be caused by some browser add-ons that conflict with Rapport or sometimes due to older versions of Safari or Rapport that are installed together.
You are welcome to contact our 24/7 free technical support team to solve this issue.
Yes, Rapport has probably crashed more Safaris than almost anything else!
For the benfit of others who might come across this thread:
How to uninstall Rapport, by Trusteer: