Photoshop Fails to Open With “Error Deserialising device_to_ep.json” After Preference Reset

This happens when I'm trying to open Photoshop. I did the suggested reset of preferences, restarted and it worked briefly. But I closed it down because I couldn't get the remove tool yo work without an error. Also, neural filters options had disappeared. I am finding Photoshop so frustrating. Every time it updates, something doesn't work. This issue isn't due to an update since last time. 

Any help would be appreciated