unable to connect nextcloud windows desktop app dur to "Access forbidden: State token does not match"

Hello,
my nextcloud is up and running fine on my web host. I can connect to it using the web and desktop apps on different PCs.

I try install the latest desktop app on a new windows 11 PC (Nextcloud-3.13.3-x64).
I keep getting an “Access forbidden: State token does not match” error.
The access through website is working fine on that particular PC

How can I solve that ( I tried without success using an application token)

Thank you very much for any help

Jacques