After installing Mac OS Big Sur, I had to upgrade PSE to v19. But since then this error message is regularily occurring after starting my Mac Mini (2018), even without starting PSE. I guess there still is a conflict between Big Sur and CreativeCloud, but I don't need CC and I don't want it yet. I am quite happy using PSE offline and I just want to get rid of that error message.
Many thanks in advance for any support provided.
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You need to upgrade your PSE19 to PSE21.
PSE2019 is not built to run on Big Sur. You've upgraded your OS past compatibility.
Thank you, this was my fault. I wanted to write '… upgrade from PSE 19 to PSE 2021 …'
Do you have the Creative Cloud desktop app installed? If so, have you checked it for updates?
Ive compared – you are already on that same version which is why you can't upgrade...