0x80246008 WU_E_DM_FAILTOCONNECTTOBITS A download manager operation failed because the download manager was unable to connect the Background Intelligent Transfer Service (BITS
https://support.microsoft.com/en-us/help/938205/windows-update-error-code-list
Is Background Intelligence transfer service running?
https://www.tenforums.com/tutorials/4499-start-stop-disable-services-windows-10-a.html