Ventoy Verification Failed Error 0x1A or 15, Proven Ways for You

Ventoy boot failed: (15) Access denied and (0x1A) Security Violations are common boot errors that prevent you from installing Windows 10/11 using Ventoy when booting from a USB flash drive. To resolve this issue, follow the step-by-step guide provided by MiniTool.

Ventoy verification failed

Ventoy is similar to Rufus, a free tool for creating bootable USB drives or ISO files so you can completely install Windows 10/11. Even if your computer does not meet the system requirements, installation is feasible. Please learn more about Ventoy's requirements to bypass Windows 11 from this guide.

It supports x86 legacy BIOS, IA32 UEFI, x86_64 UEFI, ARM64 UEFI, MIPS64EL UEFI, and MBR and GPT partition styles. However, when booting the computer from a bootable USB drive, you will encounter a Ventoy verification failure error.

On the computer, one of the error messages shows:

• Verification failed: (15) Access denied
• Verification failed: (0x1A) Security violation

When you dig deep into the reasons behind boot errors, you will find that they involve secure boot settings enabled in the BIOS, Ventoy version issues, compatibility issues, and Ventoy configuration. If Ventoy error 0x1A or error 15 occurs, stay calm and continue reading this guide for possible solutions.

Tip:

To install Windows 10/11, you should make sure that important files and folders have been backed up, as the installation will erase disk data. For security reasons, run a backup software such as MiniTool ShadowMaker, which is designed for backing up files, folders, disks, partitions, and Windows systems, as well as cloning hard drives and syncing files and folders.

Method 1: Disable secure boot

Disable secure boot in UEFI settings can effectively solve the problem of Ventoy verification failure based on user feedback on some forums.

Try this method:

Step 1: Start the computer and enter the BIOS settings. Press F2, Del, F10, Esc and other keys during startup. The buttons vary by computer brand.

Step 2: Under the Safe tab, highlight Safe Boot and set it to Disable. This step may vary from computer to computer, so please view the details based on your computer brand.

After

, restart the machine again from the bootable USB drive, you can start installing Windows 11/10 with Ventoy without encountering verification failures: (15) Access denied or verification failures: (0x1A) Security violation .

Also read: How to fix Ventoy not booting from USB? Here are 4 ways

Method 2: Register the key or hash value from disk

When a Ventoy verification failure error occurs, you can click OK and press any key to perform MOK management to resolve your problem. Ventoy provides two methods - registering a secret key from disk and registering a hash from disk to manage secure boot.

Register key from disk

Step 1: After selecting Register key from disk, find VTOYEFI and press Enter.

Step 2: Select ENROLL_THIS_KEY_IN_MOKMANAGER.cer and press Enter.

Step 3: Select Continue > Yes > Restart. Then, the boot menu option appears, and you can continue the installation process without any Ventoy verification failure errors.

Register hash value from disk

Step 1: Go to Register hash from disk > VTOYEFI > ENROLL_THIS_KEY_IN_MOKMANAGER.cer.

Step 2: Select BOOT/ and press Enter.

Step 3: Select grubx64.efi to continue.

Step 4: Click Continue > Yes > Restart to continue the installation.

Method 3: Use other tools to create a bootable drive

Some computers may be incompatible with Ventoy secure boot, resulting in Ventoy error 15 or error 0x1A. In this case, try running another tool like Rufus to create a bootable USB drive to install Windows 11/10.

Step 1: Download and start Rufus, and connect the USB drive to your computer.

Step 2: Select the downloaded ISO file, configure some options, and click to start to initialize the process.

If you don't have ISO, you can use Rufus to download one and make a bootable drive.

Tip:

Also, before installing Windows 11/10 with Rufus bootable drive, don't forget to run MiniTool ShadowMaker to back up important files to avoid data loss.

End

Are you struggling to find a solution to the Ventoy verification failure error on Windows? Trying these three fixes can easily solve your problem. Please follow the step-by-step guide!

The above is the detailed content of Ventoy Verification Failed Error 0x1A or 15, Proven Ways for You. For more information, please follow other related articles on the PHP Chinese website!