General Description: When I type ise on the command line of a Solaris 5.8 sytem, the Project Navigator GUI does not come up. This method works for invoking other Xilinx programs like FPGA Editor. Why does it not work for ise?
As a debugging tool, try settintg the PATH and LD_LIBRARY_PATH variables to only contain Xilinx. If this solves the problem, then they have other things in their environment that are interfering with Xilinx and the customer can then add back items to their PATH and LD-LIBRARY_PATH one at a time until they find the offending application.