Hi Dario You could try the VM Cog.app-15.25.3390.tgz <http://www.mirandabanda.org/files/Cog/VM/2015/VM.r3390/Cog.app-15.25.3390.tg...> which can be found at http://www.mirandabanda.org/files/Cog/VM/2015/VM.r3390/ <http://www.mirandabanda.org/files/Cog/VM/2015/VM.r3390/> To test it you could unzip the VM drag your specific image onto the Cog.app and see if it works. If Mac OSX complains about permissions you may have to right click on the Cog.app and select 'Open', after which it will ask you which image you would like to open. You can then cancel and try to drag your specific pharo image onto the Cog.app and see if it works. You may then be able to replace the VM in the one-click package with this one if it works. Cheers Carlo On 08 Aug 2019, at 17:08, dario.trussardi65 <dario.trussardi65@gmail.com> wrote: 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