Hi there, issue resolved... several calls to Adobe Helpdesk-repeated disconnections and no callback, I might add - " you've only got 16gig RAM, you need more..." but it works on a lesser, older Mac... Apple Helpdesk - hardware is ok - wipe and clean install of OS and Apps... Decided to take small steps - uninstalled After Effects, reinstalled After effects - RESULT!!! all is well - thanks for your interest Foughtthelaw & Kevin.
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