Crystal report 9 and notes/domino 7 problem

I’ve encountered an interesting problem regarding the connection between crystal report and notes/domino. Previously, it worked well but when I upgrade the crystal report from 8 to 9, I’ve experienced constant "hanging"s with my computer. It’s frequent but not consistent. Meaning to say that there are times when I want to view my crystal report with notes/domino, my system will crash. Sometimes, it won’t.

Any suggestions regarding this problem are welcomed. I’m eager to get to the bottom of this.

Thanks in advance.