Ok let's take a deep breath and have a look at the setup logs,
could you
Open a File Explorer window and paste this in the URL field:
%LOCALAPPDATA%\Oculus\
Then look for "OculusSetup.log" and upload it to your post. Please do *not* just copy/paste the text into the post area, as this becomes difficult to read. This folder may be hidden. Make sure you go into the Folder Options and choose Show Hidden Files and Folders first.
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Be kind to one another 🙂