Run as ModelSim in the Nios II IDE Fails - Run as ModelSim in the Nios II IDE Fails Description The Run as ModelSim command might fail on launch configurations created in version 7.0 or earlier of the IDE. This problem does not occur for new launch configurations. Resolution Select a location for the ModelSim tool from the launch configuration dialog box. You can use the Browse button next to the ModelSim path group, or type in a path to the ModelSim directory (for example c:/altera/71/modelsim_ae/win32aloem ). Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 10.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']