用的是XC4003，建了一个简单的tutorial工程，新建counter，新建counter_tbw，运行generate什么的，就出错：

ISE Auto-Make Log File
-----------------------

Updating: Generate Expected Simulation Results

Starting: 'exewrap -tapkeep -mode pipe -sen 50 -tcl -command d:/Xilinx/data/projnav/__simulateAnnoTestBench.tcl __antTOano.rsp'

Creating TCL Process
Running Automatic Do File: counter_tbw.ado
Starting: '@HKLM/SOFTWARE/Classes/XLNXEDA/products/DESIGNCNTR10/paths/VSystemPath/@/vsim -c -do counter_tbw.ado'

fatal error(0002): The system cannot find the file specified.

Tcl Unable to run the process due to a system error.

VSim failed to simulate annotated testbench
Reason:
Done: failed with exit code: 0002.