Forum Discussion
Altera_Forum
Honored Contributor
15 years agoPls follow the steps shown in this link (http://www.altera.com/support/kdb/solutions/rd06152006_65.html?gsa_pos=1&wt.oss_r=1&wt.oss=corrupt%20quartus (http://www.altera.com/support/kdb/solutions/rd06152006_65.html?gsa_pos=1&wt.oss_r=1&wt.oss=corrupt%20quartus)) to remove the corrupted QII installation.