Using Time machine to restore previous state of operating system.
I’ve been running time machine without any thought for a couple of years.
A minor update to El Capitán has caused me to lose the ability to save files in iMovie. My thought is that I can use time machine to install the operating system prior to the update then I should be back to square one.
Can I do this?
any ideas how much of the operating system I need to replace to fix my problem with iMovie.
(The error messages site issues with compression )
Thanks,
Gary
iMac with Retina 5K display, macOS 10.12