Hi,
For testing purpose, if possible, you can use other laptop to do a test. Install .NET 5 and use hotspot on the other machines, if the issue still happens, I would suspect this is a compatibility issue.
If yes, then you can report this issue to Microsoft directly with the Feedback Hub app. The Feedback Hub app lets you tell Microsoft about any problems you run in to while using Windows 10.
For more information on using the app, click here:
Send feedback to Microsoft with the Feedback Hub app
Best Regards,
Candy
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