Cloud on Time Preview App

I watched and followed the video "Online and Mobile Preview". I downloaded the Windows 7 file when prompted to do so and my dev app installed and opened whereby I could preview my app and add records. I continued with the video by exiting my app and selecting "Connect a Cloud". I entered in the URL for my published app and it said it had detected it whereby I was prompted to sign in. After signing in the Downloading bar appeared on screen with the name of a css file underneath the bar but the download stays on that file and the download progress bar does not move. I left it for 10 minutes and nothing happens so I have to close the Cloud on Time desktop app.

If I reopen the COT desktop app and select the three dots then "Run Online" the app opens in a web browser without issue. If I select "Run" the download bar appears but gets stuck on the first file.

I am using the latest release

I have tried this on Windows 7 and Windows 10 with the same result
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