I’ve try all you solutions, old version doesn’t update the fetch anymore, and you new one i’ve a mac os message that’s it’s corrupted 
is this related to Desktop App Error: Cannot find module 'date-fns'?
no this date fns error has disappeared.
I’ve delete the app and all files and reinstall, but always the same result
i see. can you share the error message and any screenshot with error detalis?