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I am being interrupted multiple times a day by a mysterious dialog box that says:

"OS X 10.13 is not supported. There is an update but you are on OS X 10.13 or an earlier version. Upgrade to the latest version of macOS to install it."

While I was considering doing the OS update soon, this dialog has actually caused me to hesitate, because I can find absolutely no documentation for it. A google search gives only a single hit, and that is in French. I am a bit concerned that this could be evidence of malware- perhaps, for example, the running an update could give malware a special opportunity to get extra permissions/control of my system.

Does anyone have an idea where such a dialog could be coming from, or what app may be triggering it? Image attached.

Recurring, unexplained dialog box

Update: here is the one (french) link I found on the internet which may reference the same dialog box. No useful information there, as far as I can tell:

https://communities.apple.com/fr/thread/251948653

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  • Can you add the link to the page you found via Google? Did you check whether one of your applications or login items needs to be updated?
    – nohillside
    Nov 7, 2020 at 14:24
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    Something you are running in the background needs to be updated. To confirm, boot into Safe Mode (hold Shift while booting). If it goes away, it's a 3rd party app that needs to be updated.
    – Allan
    Nov 7, 2020 at 14:44
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    Confirm what? A dialog box is real? A notification doesn't have to be generated by macOS to be genuine; any app can create a notification. In this case an app could be complaining that it's no longer compatible with the OS you're running.
    – Allan
    Nov 7, 2020 at 15:30
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    Problem solved! It was a 3rd party app (Docker), installed as part of a different application suite. Oddly, the app preferences had it set to run upon login, but I didn't find Docker listed in the Sys Pref Users and Groups/login items. Anyway, thanks for your thoughtful comments. Nov 7, 2020 at 15:59
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    @ChuckSindelar Thanks! I was also wondering what that was. I'm able to confirm it's Docker by manually doing 'Check for updates...'. They really should have included their app name in that message..
    – Lem Ko
    Nov 11, 2020 at 12:33

2 Answers 2

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The problem is with the docker application.

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  • 2
    Confirmed - when I force quit Docker from the Activity Monitor, the prompt goes away.
    – JoshL
    Dec 12, 2020 at 16:34
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This comes from Docker. Click the docker icon in the bar and choose Preferences. Go to the Software Updates section and uncheck Automatically check for updates. Click Apply & Restart. It should go away after changing this setting.

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    Thanks. This seemed to solve it for me. Jan 25, 2021 at 18:21
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    Note that turning off Automatically check for updates does not work in all cases (including mine). See this issue in the Docker for Mac GitHub. Apr 10, 2021 at 19:12
  • There is no "Automatically check for updates" in Docker for Mac v3.0.3 unfortunately Jun 9, 2021 at 16:08

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