How to fix "Winload.efi" error ?

Method 1 :

C:\Users\USER-PC>bcdedit
C:\Users\USER-PC>bcdedit -set {current} nointegritychecks 1

Method 2 :

C:\Users\USER-PC>sfc /scannow

Method 3 :

C:\Users\USER-PC>chkdsk /f /r