04-23-2019 01:30 AM
Hi Bryan, Good day to you. The Quartus II software versions 9.1SP2 and earlier do not have official support for Windows 7. As a work-around you can use drivers from the Quartus II software version 10.0. Kindly refer link below to resolve the issue. https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd06212010_676.html Let me know if this has helped resolve the issue you are facing or if you need any further assistance. Thank you.