Digital Signaturesensure that the software publisher or hardware vendor is trusted and verified by Microsoft.

File: windows\system32\winload.exe

Status: 0xc0000428

Info: The digital signature for this file couldnt be verified.

This information indicates that something is wrong with the boot manager.

It may be corrupted or missing, anything could happen.

This is a most terrible issue for Windows users because you cant boot your operating system to fix them.

Rebuild Boot Manager

First, insert your Bootable DVD or USB drive and Restart windows.

Note: If you are using Bootable USB drive set the first gadget boot to Removable Devices.

Now Use the F10 key to make save changes press yes to confirm changes.

Now on the next screen windows installation window select Repair your setup.

This will fire up the troubleshooting window.

Here press Advanced options and select command prompt.

After that kill the command prompt and restart windows check windows started normally.

If Startup Repair can fix the problem, it will do so without any intervention.

It will then restart the system and boot normally.

Check problem solved If still, you face the same problem follow the next steps.

To do this again you have to boot your system onAdvanced optionsand Choose Startup options Then select Restart.

Next time the system will start bypassing driver signature integrity checks and hope youll be able to boot normally.

Permanently Disable driver signature enforcement

To disable driver signature enforcement open command prompt as administrator privileges.

And pop in commandbcdedit /set testsigning onand press enter.

You will receive The operation completed successfully message.

thats all Now end the command prompt window and start your gear.

From now on, you will be able to install or run any unsigned driver or program without problems.