quartus: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory - quartus: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory Description Due to a problem in the Quartus® Prime Pro Edition Software version 23.3 and earlier, you might see this error message when launching the Quartus® Software GUI in the Red Hat* Enterprise Linux* 8 Operating System (OS). This is because the required shared library is not found in the OS system. Resolution To work around this problem, link the required shared library libncurses.so.5 from the available libncurses.so.6.1 by using the following command: ln -s /usr/lib64/libncurses.so.6.1 /usr/lib64/libncurses.so.5 This problem is fixed beginning with the Quartus® Prime Pro Edition Software version 23.4. Custom Fields values: ['novalue'] Troubleshooting 15015757587 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 23.4 23.2 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']