Cant download Quartus II, ver 12.1

Hi,

I also realized the same behavior about Quartus II v12.1 & it also has critical issues(mentioned in below link) so I would suggest you that for older cyclone II devices you can use the Quartus 13.0sp1 from link below,

https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd03142013_686.html

http://fpgasoftware.intel.com/13.0sp1/?edition=subscription

Regards,

Vicky