Windows Client - Freezes during Install

I am a newbie, so forgive me for any silly questions.

I have Nextcloud installed on my host and can access my file archive through a web browser with no difficulty.

When installing the Windows client 2.5.2 on Windows 10 I am getting the following issue:

After entering the URL for my cloud, I am prompted to Connect my Account - Then the window is stuck in an endless loop after clicking “Grant Access”.

What am I doing wrong?