Unable to Run FIR Compiler II - Unable to Run FIR Compiler II Description The FIR Compiler II MegaCore fails to run with the following error message: Error: couldn’t execute”<Quartus installation path>\quartus\common\ip\altera\windows32\fir_ip_api_interface”: no such file or directory. Resolution To avoid this problem, follow these steps: Download the appropriate version of Microsoft Visual C 2008 SP1 Redistributable Package - (×86) for a 32-bit machine or (×64) for 64-bit Windows XP. Double-click on the vcredisk_x86.exe or vcredisk_x64.exe file you downloaded. Follow the instructions. If you are prompted to uninstall or repair, click Repair. Custom Fields values: ['novalue'] Troubleshooting novalue True ['Filters'] ['FPGA Dev Tools Quartus II Software'] novalue 10.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']