A new Windows 10 article/update is available: Windows 10 KB5004760 (OS Builds 19041.1082, 19042.1082, and 19043.1082) Out-of-band
Microsoft has released KB5004760 for Windows 10 version 2004, Windows Server version 2004, Windows 10 version 20H2, Windows Server version 20H2, and Windows 10 version 21H1 that addresses an issue that might prevent you from opening PDFs using Internet Explorer 11 or apps that use the 64-bit version of the WebBrowser control.
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