3 Replies Latest reply on Dec 21, 2013 10:44 AM by C_NoEvil

    only a single instance of this application can run

    C_NoEvil Level 1

      trying to install flashplayer 11 for firefox and keep getting this eror message, "only a single instance of this application can run"

       

      I have run virus scans

      tried installing in safe mode

      tried to run as administrator, when I did the install file vanished