Sous Windows 10 v2004, dans PowerShell 7.0.3 x64, je ne sais pas pourquoi la ressource est indiquée comme indisponible :
PS > Update-help -UICulture en-US
Update-Help: Failed to update Help for the module(s) 'ConfigDefender, PSReadline, WindowsUpdateProvider' with UI culture(s) {en-US}:
One or more errors occurred. (Response status code does not indicate success: 404 (The specified blob does not exist.).).
English-US help content is available and can be installed using:
Update-Help -UICulture en-US