ContributionsMost RecentMost LikesSolutionsRe: Error when launching Waveform Editor in the Quartus application I apologize that I could not respond earlier, the issue was not resolved, I am sending the file again (apparently I did something wrong last time). Sincerely Sergey. Re: Error when launching Waveform Editor in the Quartus application Yes of course, please look in the attached file. Error when launching Waveform Editor in the Quartus application An error appears when launching Waveform Editor. " Info: Processing started: Fri Oct 08 19:50:49 2021 Info: Command: quartus_eda --gen_testbench --tool=modelsim_oem --format=verilog --write_settings_files=off try -c try --vector_source=D:/intelFPGA_lite/Projects/test/Waveform.vwf --testbench_file=D:/intelFPGA_lite/Projects/test/simulation/qsim/Waveform.vwf.vt Warning (18236): Number of processors has not been specified which may cause overloading on shared machines. Set the global assignment NUM_PARALLEL_PROCESSORS in your QSF to an appropriate value for best performance. Error (199014): Vector source file D:/intelFPGA_lite/Projects/test/Waveform.vwf specified with --testbench_vector_input_file option does not exist Error: Quartus Prime EDA Netlist Writer was unsuccessful. 1 error, 1 warning Error: Peak virtual memory: 4600 megabytes Error: Processing ended: Fri Oct 08 19:50:50 2021 Error: Elapsed time: 00:00:01 Error: Total CPU time (on all processors): 00:00:00 Error. " Please tell me how to fix it..