Can't open Clock Control--Quartus II 13.0 sp1--Cyclone V GT - Can't open Clock Control--Quartus II 13.0 sp1--Cyclone V GT Hi, I have an issue with open Clock Control. I'm already installation Quartus II 13.0 sp1, but I can't open Clock Control. My FPGA is Cyclone V GT. Can someone help me to fix it? Great Thanks!! Replies: Re: Can't open Clock Control--Quartus II 13.0 sp1--Cyclone V GT Hi, The Clock Control GUI pop up successfully with web edition. Try to stick with web edition instead of subscription edition. Best Regards, Sheng p/s: If any answer from community or Intel support are helpful, please feel free to mark as solution and give Kudos.