idée pour erreur
ErrorCode 80004005 Executable bfsvc.exe ExitCode 123 Phase 38 Mode Install (upgrade)

Exit code 123 ?
https://msdn.microsoft.com/en-us/library/windows/desktop/ms681382(v=vs.85).aspx

Paquet Handler Post-reboot status for package Package_for_RollupFix~31bf3856ad364e35~amd64~~7601.23547.1.2: 0x80004005.

aucun rapport, mais liens vers idées/méthodes https://community.spiceworks.com/topic/1984295-windows-update-monthly-rollup-failure-win-7x64-80073701?page=1#entry-6853122
(pb de disque illisible?)