Unzip/Extract Rufus.zip and run Rufus-3.6. Step 1: Prepare to create bootable USB Flash Driveġ. Requirement : USB Flash Drive 8GB or 16B (all the data will be deleted) You may refer to the Known Issues on the Microsoft Windows Support forum: Īfter the KB4512506 update is installed, Windows will not boot and display one of these message.įollow the steps below to restore the working boot files. The update forces the Windows boot manager to only allow SHA-2 digital signature so the files with SHA-1 digital signature cannot be loaded. Fix Windows 7 BlackJack Server Boot Issue after Windows Update(KB4512506) is installedĭownload a PDF copy of these instructions Overviewīlackjack servers with Windows 7 Embedded will not boot after Windows August 2019 Monthly Rollup Update KB4512506 was installed.
