Reply To: Plugin won't activate…. Home › Forums › Product Support Forums › Ajax Search Pro for WordPress Support › Plugin won't activate…. › Reply To: Plugin won't activate….November 4, 2014 at 8:12 pm #2895 Tony SchaefferParticipantSo I reinstalled Ajax Search Lite, Ajax Search Pro disappeared. I then deactivate Ajax Search Lite and Ajax Search Pro reappears and is active. So it seems to work at the moment.