[GNC] Gnucash 4.0 doesn't launch on MacOS X 10.15.4

[peterb]

I got this working thanks to some out-of-band advice from Alton Brantley
(thanks!).  We might consider documenting this if it happens to more people
on Catalina besides him and me.

(1) Save copy of file in 3.10.
(2) Delete old copy of Gnucash from hard drive.
(3) I deleted ~/Library/Application Support/GnuCash (probably unnecessary,
but I was being paranoid).
(4) Copy GnuCash 4.0 from disk image to /Applications
(5) Double-click GnuCash 4.0 in /Applications.  Choose "Open" when the OS
asks you if you're sure you want to open.

At that point, the app still doesn't seem to launch, though it should.
However subsequent launches work as expected, so:

(6) Double-click GnuCash 4.0 in /Applications again.

At that point 4.0 launched and ran for me.

-Peter


On Mon, Jun 29, 2020 at 1:18 PM John Ralls <jralls at ceridwen.us> wrote:

> That's unfortunately a pretty common user experience on Mac. I haven't
> been able to figure out where is the disconnect between Launch Services and
> GnuCash after Gatekeeper verification is complete. Gatekeeper also fails to
> remove the com.apple.quarantine xattr from the app bundle and that caused a
> complete failure for one user last week, though it doesn't seem to affect
> most users.
>
> Regards,
> John Ralls
>
>
> > On Jun 29, 2020, at 9:56 AM, will at theprescotts.com wrote:
> >
> > Ditto on Mac OS 10.15.5. Opened without issues.
> > The first time it asked for the standard permission to open since it
> didn't come from the App Store.
> > But it didn't open.
> > Then I opened it again and it was fine.
> >
> > Will
> >
> > On 2020 Jun 29, at 06-29 11:08:57, Jean Laroche <ripngo at gmail.com>
> wrote:
> >
> > I'm on 10.13.4 (High Sierra) and it launches without any problem.
> > J
> >
> > On 6/29/20 7:58 AM, peterb wrote:
> >> ...or at least, not on my instance of it.  No particular user-visible
> error
> >> message, no splash screen visible, lots of stuff in the console.  Happy
> to
> >> file a bug or share whatever data might help.
> >> Is anyone else seeing this, or am I unique?
> >> -P
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