Quartus Prime Lite 22.1 Can't Load Queata in Ubuntu 22. - Quartus Prime Lite 22.1 Can't Load Queata in Ubuntu 22. I have already installed Quartus Prime Lite 22.1 on Ubuntu 22. It works fine but when I want to start simulation from: "Tools -> Run Simulation Tool -> RTL Simulation" nothing happens. I have already got a licence file for Questa from Intel Self Service Licece Center Based on instructions of : https://www.intel.com/content/www/us/en/docs/programmable/683472/22-1/and-software-license.html and also added the environment variables. All settings seems to be correct: in "Assignments -> Settings -> EDA Tool Settings" I choosed the Questa-Intel FPGA as the simulation tool which is its default choice. In "Tools -> Options -> EDA Tools Options" the directory address of Questa-Intel FPGA is set to: <Address To Quartus>/intelFPGA_lite/22.1std/questa_fse/linux_x86_64/ which is correct. Replies: Re: Quartus Prime Lite 22.1 Can't Load Queata in Ubuntu 22. I'm glad to hear that your question has been addressed. Now, I will transition this thread to community support. If you have any further questions or concerns, please don't hesitate to reach out. Thank you and have a great day! Best Regards, Richard Tan Replies: Re: Quartus Prime Lite 22.1 Can't Load Queata in Ubuntu 22. I have found the solution, based on the following topic: https://community.intel.com/t5/Intel-Quartus-Prime-Software/Quartus-Prime-Lite-21-1-on-Ubuntu-21-10-Questa-does-not-start/m-p/1327018#M71324%3Fprofile.language=en Just right click on the Quartus Prime launcher on desktop and open it with a text editor, then modify the "Exec=..." line as follows: Exec= env LM_LICENSE_FILE=<path_to_Questa_licence_file> <path_to_Quartus_Prime>/intelFPGA_lite/22.1std/quartus/bin/quartus --64bit Note that just the red part is added inside the existing code. In my case this line is as: Exec=env LM_LICENSE_FILE=/home/amir/Softs/intelFPGA_lite/22.1std/licenses/LR-121951_License.dat /home/amir/Softs/intelFPGA_lite/22.1std/quartus/bin/quartus --64bit then Save the launcher file. This way the issue is fixed.