Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: Jolly Roger <jollyroger@pobox.com>
Newsgroups: comp.sys.mac.system
Subject: Re: Can't Launch Safari
Date: 9 Jun 2018 21:30:16 GMT
Organization: People for the Ethical Treatment of Pirates
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On 2018-06-09, Charles H. Sampson <csampson@inetworld.net> wrote:
> This seems to be my month to have OS problems. I'm running 10.12.6 on an
> iMac that is less than one year old. I've suddenly lost the ability to
> launch Safari.
>
> There are three users of this computer and Safari is in the dock for all
> three. Clicking on its icon in the dock causes it to darken momentarily
> but nothin else. Opening the applications folder and double-clicking on
> its icon there causes the icon to "explode" (I don't know what else to
> call the visual action) but nothing else.

Try creating a temporary brand new macOS user account and see if you can
launch it while logged into that new temporary account.

> I've updated everything from the Apple store and restarted, grasping at
> straws. Only the OS needing updating.
>
> Safari has been working just fine until today.

Try booting into Safe Mode and launching Safari there.

The next thing to try is installing all available OS updates.

And it be handy to know what errors (if any) are displayed in the
Console and/or /var/log/system.log file when you launch Safari.

-- 
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JR