ContributionsMost RecentMost LikesSolutionsRe: Quartus Prime Lite 21.1 on Ubuntu 21.10 Questa does not start Thanks a lot I have done exactly as you suggested BUT this is what I get: Unable to checkout a viewer license necessary for use of the Questa Intel Starter FPGA Edition graphical user interface. Vsim is closing This is what in my case I have in my ~/Desktop/'Quartus (Quartus Prime 21.1.0) Lite Edition.desktop' Exec=env LM_LICENSE_File=/home/cesar/bin/intelFPGA_lite/21.1.0/questa_fse/LR-075740_License.dat /home/cesar/bin/intelFPGA_lite/21.1.0/quartus/bin/quartus --64bi