[Hidden-tech] Mac OS question

Erik Jonsberg erik at hungryghostconsulting.com
Sat Nov 9 00:47:43 UTC 2019

Hi John,

Apple is phasing out support for 32 bit applications. Adobe has dropped support for all CS4 apps. MacOS is now at version 10.15 (Catalina). CS4 apps were designed to run on versions 10.5.8 or 10.6. 

You could try rolling back your OS. Hopefully you made a full backup on Time Machine before you did the upgrade. If not, you might be out of luck. As of High Sierra, MacOS uses a new case sensitive file system called APFS. So you can’t just reinstall an older OS because your hard drive has been reformatted to APFS.

- Erik

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> On Nov 8, 2019, at 4:42 PM, Jonathan Mirin via Hidden-discuss <hidden-discuss at lists.hidden-tech.net> wrote:
> Dear Hidden-Techers,
> After updating to the mojave OS, I have been unable to use certain software (notably indesign and final cut pro). I am considering "downgrading" to a previous operating system so that I can continue to use these programs without re-buying them or starting a monthly subscription. Does anyone have experience with this or have a recommendation for which OS to revert back to? Other workarounds? Our version of indesign is CS4 (2009) and works fine for our needs.
> thanks, Jon
> Jonathan Mirin / Godeliève Richard
> Piti Théâtre Company <http://www.ptco.org/>
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