Windows boot failure - Microsoft Community

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i have dual boot setup on hp laptop windows 10 , ubuntu 16.04. when updated windows 10, had restart updates configured. when arrived @ grub2 menu after restart , selected windows boot option, got unexpected error " premature end of file /efi/microsoft/boot/bootmgfw.efi ". tried following commands :

bootrec /fixmbr

bootrec /fixboot

bootrec /scanos

bootrec /rebuildbcd

after ran succesfuly, nothing changed. still same error. after running "bootrec /scanos" command, showed have 0 windows installations. after tried repairing windows error booting windows 10 media usb , took time not fix issue. in scenario, can still login ubuntu through grub bootloader menu cannot boot windows. tried booting directly windows selecting boot device initial system diagnostic screen got error "selected boot image did not authenticate".

i stuck here , don't want clean install windows again. appreciate if can me!

hello vasu,

with regards concern dual boot setup , issues may require advance troubleshooting steps, highly recommend reaching our technet forum on link. our technet web portal our professionals specialize dual boot setup. so, follow step in article on how create post in technet.

don't hesitate reach out if need assistance.



Windows / Windows 10 / Performance & system failures



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