first try to find where lexmark is situated. start - run - type msconfig - top right side tab startup. Look for lexmark if there take the tick out of the left hand box and reboot. When restarted put a tick in the box on left side to stop the modified start message reappearing. If not there start - run - services.msc and enter. Go down the list to look for lexmark if found double click on it and set to diabled.