About Error Code 0xc0000428
When there’s an error code 0xc0000428 on the screen, you could see a message “Windows can’t verify the digital signature for this file: \Windows\System32\winload.exe – Error code: 0xc0000428“
0xc0000428 error on startup usually can be caused by outdated BOOTMGR after system update. Besides, Windows can’t verify the digital signature for the newly installed hardware or software, which will also cause 0xc0000428 error. In this case, the 0xc0000428 error screen usually can be fixed by disabling driver signature enforcement.
Reasons of 0xc0000428 Error
Reason 1: BOOTMGR Is Outdated
If BOOTMGR is not updated properly after you update a new version of Windows, the error 0xc0000428 may occur. Besides, some users have installed two operating systems on the PC and they also encounter an error 0xc0000428 on startup. It is because the old version of BOOTMGR is still in use or there’s no boot record for the newly installed operating system. Then the new system can’t boot properly.
Reason 2: Windows Can’t Verify Digital Signature for Recent Hardware or Software
Solutions to Fix Error Code 0xc0000428
Solution 1: Manually Update BOOTMGR
- d:\Windows refers to the directory of Windows installation folder. Please type in correct drive letter of the system disk on your PC.
- c: refers to the boot partition. Please type in correct drive letter of your active boot partition.
Solution 2: Disable Driver Signature Enforcement
Solution 3: Use Startup Repair in Windows Recovery Environment
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