unrecognised users on apple macbook

Discussion in 'Mac Basics and Help' started by appleuser16, Jan 28, 2016.

  1. appleuser16 macrumors newbie

    Jan 28, 2016
    I have just tried to change the read/write permissions on a file on an Apple Macbook to add a user, and found three user names that I do not recognise:
    They do not appear under Users and Groups in System Preferences.
    What are they and are they a problem? if a problem, how do I get rid of them?
  2. keysofanxiety macrumors G3


    Nov 23, 2011
    I'm assuming you've got Avira antivirus? It creates accounts named similarly to these. It does this so it can do background tasks without needing to elevate or ask you for user passwords.

    If you don't have Avira or you never installed it ... that's a problem. Quote this and we'll delete those accounts.
  3. appleuser16 thread starter macrumors newbie

    Jan 28, 2016
    OK, thanks. Yes, I do have Avira installed. Before posting the question, I looked in the user manual and on their support site for those terms, and none of them turned up. It would be a lot more helpful if they did include information on this in the documentation.

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