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Mac OS "Application "Flash Player" is trying to install new supporting program"

New Here ,
Sep 08, 2017 Sep 08, 2017

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Hello. During an update installation on my Mac (MacOS Sierra 10.12.6) I got the following message: "Application "Install Adobe Flash Player" is trying to install new supporting program", and the prompt is asking to fill root password. I don't remember that flash player previously asked me to fill a password, and it looks a bit suspicious to me. Does anybody know what is "supporting" program? And should it be or it is kind of infection? (BTW, Antivirus and Malwarebytes haven't detected anything).

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Adobe Employee ,
Sep 08, 2017 Sep 08, 2017

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That doesn't sound familiar to me.  What is the name of the installer file you are using?

Please post a screenshot of the installer dialog window (see https://forums.adobe.com/docs/DOC-7043#jive_content_id_How_do_I_attach_a_screenshot​)

Please do the following:

  • Launch Finder and navigate to /Applications/Utilities
  • Open the program named Terminal.app
  • Double-click on the Installer.DMG file you downloaded.
  • A new window should display, showing the DMG package contents, e.g:
    Screen Shot 2017-09-08 at 11.36.24 AM.jpg
  • Go back to the Terminal app and type: codesign -vvd
  • Then drag the installer .APP file onto the Terminal window
  • You should end up with the following in the Terminal window:
    Screen Shot 2017-09-08 at 11.38.26 AM.jpg
  • Click the ENTER key
  • Post a screenshot of the Terminal Window displaying the results

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New Here ,
Sep 08, 2017 Sep 08, 2017

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Thank you for the response. Here we go:

2017-09-08_22-06-36.png

2017-09-08_22-15-18.png

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Adobe Employee ,
Sep 08, 2017 Sep 08, 2017

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Thank you.  That's legitimate.  I was confused by the term 'supporting'.  This is system text due to the API being used (implemented in the most recent version). Since it's system text, it can't be changed (we wanted to so as not to alarm users).  Installation on Mac has always required the user to enter the password. This is because Flash Player writes to areas of the filesystem that require elevated permissions.

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New Here ,
Sep 08, 2017 Sep 08, 2017

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Maybe my translation was incorrect, sorry for that.

So, it means no cause for worrying!

Thank you for your help!

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Adobe Employee ,
Sep 08, 2017 Sep 08, 2017

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You're welcome.

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