Ciao Carlo, sorry. I add some information about Pharo 1-4 on Mac OS X 10.14.6 ( Mojave ).
> > As far as I know there was an issue with the older VM's on Mac OS X where the > graphics subsystem changed, causing that blank/black screen. > > You will probably be able to use a different VM and make it work. Excuse my ignorance but I have no experience in this regard. > I've got some older Pharo 1.2.2 images and either > CogMT.3390.app (Squeak Cog 4.0.3390) > or maybe even one of the other mac vm's from around that time will work. Where i can download a valid mac vm's ? And where should i put it ? The Pharo-1.4 on my system have a: Contents folder and CogVM.exe ( the relative info are: type: Microsoft Windows application date: 22/6/2012 size: 2MB ) and some other files: FT2Plugin.dll libfreetype-6.dll Pharo-1.4-one-click.bat Pharo-1.4-one-click.sh SueakFFIPrims.dll README.txt Thanks, Dario