the digital signature for this file couldn’t be verified

recovery
your pc/device needs to repaired
the digital signature for this file couldn’t be verified
file:\windows\system32\winload.efi
error code:0x0000428
you’ll needto use recovery tools. if you don’t installation media(like a disc or usb device),contact your pc adaministrator or pc/device manufacturer.
press the windows key for uefi firmware settings.
General installation of Win8, if the download of someone else modified the compression package copy to the U disk installation, there may be this problem.
Only return the system to reinstall.
On the other hand, this problem occurs when you reboot after installation. At this point, do one thing before the reboot shuts down the digital signature.
The administrator runs CMD and enters BCdedit. Exe /set NointegrityChecks on after the prompt
 

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