Can you upgrade your design to Q18.1 version and try to download the latest release Q18.1 version?
I need 11.1 becouse in School use hardware wich is supported only at 11.1. It is old HW.
Altera EP2C35F672C6N. Cyclone II
I will get back to you on this.
Just to let you know that this is not yet fixed. We are still working on the fix and will get back to you soon.
Can you try again, Q11.1 should have fixed. There are still some older version of Quartus still not fixed.
Have you try this version on your side?
Currently, this issue is now top priority in INTEL IT for old Quartus download. We will try to resolve this as soon as possible.
Just to let you know that we had fixed the download issue. You may test it on your side.
For more complete information about compiler optimizations, see our Optimization Notice.