|Created date||Updated date||Affects version||Fix version|
|Blancco PreInstall version < 2.8.1||2.8.1|
Windows Update ends up in error "0x80073B92 - 0x20009; The installation failed in the SAFE_OS phase with an error during PREPARE_ROLLBACK operation" if Blancco PreInstall.exe has been run in the system before starting the update.
This problem may only impact Blancco PreInstall users who makes use of "--no_restore" option for keeping Blancco entry in boot menu.
An EFI system partition PreInstall.exe has created causes some error while Windows Update process doing partition analysis and validation.