[Fixed]Winload.efi file digital signature couldn't be verified 0xc0000428 error
File: \windows\system32\winload.exe signature error while booting.
FIX: 0xc0000428 Windows cannot verify the digital signature for winload.efi, winload.exe (Solved)
Boot from PenDrive and open command prompt.
type command
bcdedit
bcdedit -set {default} nointegritychecks 1
reboot your system