Nope I did not ignore any previous error messages. Something about Windows
10 and file permissions may be at the root. I had to run Fresco with
Administrator Privileges in the past. One possibility that may shed some
light is that I have installed Kaspersky Secure connection on both machines
just before disaster struck (just to watch football).
I have since re-installed Lily from an old 2.19.56 installation package
followed by Fresco again. This time when I run Fresco a new popup appears
"running Lilypond this could take some time - nothing else happens.
I will try running from a command prompt but as it stands "Lilypond does not
exist" is the response.
From: David Kastrup <d...@gnu.org>
Sent: 06 March 2018 16:11
Cc: Lilypond <email@example.com>
Subject: Re: Frescobaldi sudden failures on all machines
> I have been using Frescobaldi for years but today re-running old files
> I see the following behaviour.
> The compilation proceeds for a while then halts with error
> -1073741819. This happens on two different Windows 10 machines with
> different OS versions. It happens when attempting to recompile old .ly
> Frescobaldi error messages are notoriously obscure. I have
> uninstalled ad re-installed Frescobaldi and rebooted to no effect.
> Does anyone have any suggestions to isolate this issue. I suspect it
> may be about file permissions but that is just a suspicion.
I suspect this is just because failed assertions now make LilyPond abort
with an error message and you previously ignored them (which was almost a
given since distributed binaries of LilyPond completely omitted them).
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