Wed Feb 24, 2021 12:39 am
Your system can't handle more than HD and even that without complex effects.
And then, please check if El Capitan is meeting the minimum requirements. You may need High Sierra.
My disaster protection: export a .drp file to a physically separated storage regularly.
Studio 19.1.3
MacOS 13.7.4, 2017 iMac, 32 GB, Radeon Pro 580 + eGPU
MacBook M1 Pro, 16 GPU cores, 32 GB RAM, MacOS 14.7.2
SE, USM G3