"Sentinel LDK Protection System: Feature Expired" Popup

Discussion in 'Mac Basics and Help' started by tulippy, May 4, 2016.

  1. tulippy macrumors newbie

    May 4, 2016

    I keep getting a popup saying "Sentinel LDK Protection System: Feature Expired". When I click OK the message pops up again and the only way I can get rid of it is to restart. I've searched for 'Sentinel' on my finder and I have no files with this name, and the popup just keeps coming up. Does anyone know why this is happening or how I can get rid of it?

    I have a MacBook Air.

  2. Mernak macrumors 6502

    Apr 9, 2006
    Kirkland, WA
    Can you search for sentinel in Activity Monitor? Or at least check the names to see if there is anything odd there? There will probably be something that you can find that's unusual there, and the more info there should give some pointers.
  3. tulippy thread starter macrumors newbie

    May 4, 2016
    No results when I searched for it in Activity Monitor. I couldn't see anything unusual, but then again I wouldn't know what unusual even was.
  4. Weaselboy Moderator


    Staff Member

    Jan 23, 2005

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