Microsoft has shared a workaround for customers experiencing 0x8004de40 errors when trying to signing into their OneDrive accounts. The error indicates that Microsoft OneDrive has issues connecting to the Internet. Microsoft is also working on fixing issues causing the Personal Vault to display the wrong language and clean up space not working on Android 11 devices. Customers are also reporting having issues launching the OneDrive Store app and seeing 0X80049d61 errors. Users are advised to use OneDrive desktop app or go to Onedrive.com.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-shares-workaround-for-onedrive-0x8004de40-login-issues/