On Jul 18, 2023, at 03:30, Bob Gerard <rowerbob@...> wrote:

?On this question the thought struck me: ?the battery on this old 2012 MB Pro will no longer hold a charge and he has been running off the mains for some time.

Is it possible that this might be the source of his computer crash, beachballing, and general slowness?

He is going to run the RAM test this morning.

Wouldn’t you know it when he tried to open the .dmg file, he reported: ?

Got Rember.dmg but couldn’t open it — Apple could not verify dmg was free of malware. ?What to do?

I sent him this: