Hi there, Microsoft security essentials is not the problem. I have the exact version of jaws and dragon that you have, and no problem with microsoft security essentials. Now I can't comment on malware bytes. Harry ----- Original Message ----- From: Ann Byrne To: j-say@xxxxxxxxxxxxx Sent: Friday, April 27, 2012 9:28 PM Subject: [j-say list] Fatal Error while installing J-Say the message is something like fatal error installation ended prematurely because of an error Has anyone seen this?JAWS 12.0.1170 is installed; Dragon pro 11.5 is installed and activated; Windows firewall is turned off. Microsoft Security Essentials and malware bytes are running, because I can't figure out how to turn them off without uninstalling. but I could do that. Would it help? I'm hoping this has happened to someone besides me????