https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-windows-10-internet-connection-issues-in-new-update/

Microsoft has released a new optional preview update that fixes two bugs that prevent Windows 10 2003 users from connecting to the Internet.

In July, we reported that Windows 10 users saw 'No Internet' message in the Network Connectivity Status Indicator (NCSI), even though their Internet worked fine.