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Here's how to Fix winload.exe 0xc0000428 the digital signature for this file couldn't be verified when booting Windows.

Here are some possible fixes for the error "0xc0000428: The digital signature for this file couldn't be verified":

1. **Repair your computer's startup files.** To do this, follow these steps:

1). Boot your computer from a Windows installation disk or USB drive.
2). When you see the Windows logo, press `Shift`+`F10` to open a command prompt.
3). Type the following commands and press `Enter` after each one:

```
bcdedit /export C:\boot\bcd
bootrec /fixMBR
bootrec /fixBoot
bootrec /rebuildBCD
```

4). Once these commands have finished running, restart your computer.

2. **Disable driver signature enforcement.** To do this, follow these steps:

1). Boot your computer from a Windows installation disk or USB drive.
2). When you see the Windows logo, press `F8` to access the Advanced Boot Options menu.
3). Select **Disable driver signature enforcement** and press `Enter`.
4). Restart your computer.

3. **Update your drivers.** To do this, you can use the Device Manager or Avast Driver Updater@ https://www.anrdoezrs.net/click-7952654-14577796 to keep your device drivers up-to-date, easily & effectively.

4. **Roll back your drivers.** If you recently updated your drivers and started getting the error "0xc0000428: The digital signature for this file couldn't be verified", you can roll back your drivers to the previous version. To do this, follow these steps:

1). Open the Device Manager.
2). Right-click on the device that you updated and select **Properties**.
3). Click on the **Driver** tab.
4). Click on the **Roll Back Driver** button.

5. **Reinstall Windows.** If you have tried all of the above steps and you are still getting the error "0xc0000428: The digital signature for this file couldn't be verified", you may need to reinstall Windows.

**Note:** Reinstalling Windows will erase all of your files, so make sure to back up your data before you do this.

i. Problem status 0xc0000428 is a Windows error code that indicates that the digital signature for a file could not be verified. This can happen for a variety of reasons, such as a corrupt file, a driver conflict, or a hardware problem.

If you receive this error, you may be unable to start your computer or load certain applications. There are a few things you can try to fix this error:

1. **Restart your computer.** This may fix the issue if it is caused by a temporary glitch.
2. **Check for updates.** Make sure you have installed the latest updates for Windows and the drivers for your hardware.
3. **Disable driver signature enforcement.** This can be done by pressing `F8` when you start your computer and selecting **Disable driver signature enforcement** from the Advanced Boot Options menu.
4. **Update your drivers.** You can use the Device Manager or a third-party driver updater tool to update your drivers.
5. **Roll back your drivers.** If you recently updated your drivers and started getting this error, you can roll back your drivers to the previous version. To do this, open the Device Manager, right-click on the device that you updated, and select **Properties**. Click on the **Driver** tab and then click on the **Roll Back Driver** button.
6. **Reinstall Windows.** If you have tried all of the above steps and you are still getting this error, you may need to reinstall Windows.

**Note:** Reinstalling Windows will erase all of your files, so make sure to back up your data before you do this.

ii. Problem status 0xc0000428 is a Windows error code that indicates that the digital signature for a file could not be verified. This can happen for a variety of reasons, such as a corrupt file, a driver conflict, or a hardware problem.

If you receive this error, you may be unable to start your computer or load certain applications. There are a few things you can try to fix this error:

1. **Restart your computer.** This may fix the issue if it is caused by a temporary glitch.
2. **Check for updates.** Make sure you have installed the latest updates for Windows and the drivers for your hardware.
3. **Disable driver signature enforcement.** This can be done by pressing `F8` when you start your computer and selecting **Disable driver signature enforcement** from the Advanced Boot Options menu.
4. **Update your drivers.** You can use the Device Manager or a third-party driver updater tool to update your drivers.
5. **Roll back your drivers.**
6. **Reinstall Windows.**

**Note:** Reinstalling Windows will erase all of your files, so make sure to back up your data before you do this.