Project Navigator crashes as follows:
- after starting the Place and Route process and then changing the focus to the Timing Analyzer tab
- when trying to sort the Color column in the Design Object tab
- when trying to cross probe from the timing report to Floorplan-Implemented
- when trying to place a BUFG
This problem has been fixed in the latest ISE 8.2i Service Pack available at:
http://www.xilinx.com/xlnx/xil_sw_updates_home.jsp
The first service pack containing the fix is ISE 8.2i Service Pack 2.