Why does the Arria 10 Hard IP for PCI Express Example Design Generation fail on Windows 7? - Why does the Arria 10 Hard IP for PCI Express Example Design Generation fail on Windows 7? Description Due to a problem with the Quartus® Prime software version 15.1.2 and later the Arria® 10 Hard IP for PCI Express Example Design may fail to generate on Windows®. Resolution This problem can happen if the required Windows Environment settings are not correctly set during the Quartus Prime installation. To work around this issue manually make or ensure that the following windows environement variables are set on your system: User Variables Path : <your install location>\modelsim_ae\win32aloem; QSYS_ROOTDIR : <your install location>\quartus\sopc_builder\bin QUARTUS_ROOTDIR : <your install location>\quartus System Variables Path : %QUARTUS_ROOTDIR%\bin;%QSYS_ROOTDIR% QSYS_ROOTDIR : <your install location>\quartus\sopc_builder\bin QUARTUS_ROOTDIR : <your install location>\quartus SOPC_KIT_NIOS2 : <your install location>\nios2eds Custom Fields values: ['novalue'] Troubleshooting FB: 422892; False ['Arria® 10 Cyclone® 10 Hard IP for PCI Express'] ['FPGA Dev Tools Quartus® Prime Software Pro', 'FPGA Dev Tools Quartus II Software'] 17.0 15.1.2 ['Arria® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']