Event ID 1795, System firmware returned an error when updating Secure Boot variable.

If you see Event ID 1795, The system firmware returned an error when attempting to update a Secure Boot variable in the Event Logs or your Windows Event Manager, this post will explain what it means and how to resolve it.

Cause of Event ID 1795 in Windows

Event ID 1795 is caused when Windows fails to update the Secure Boot Variable called DBX Revocation list, also known as Secure Boot Forbidden Signature Database. This list identifies the software that Secure Boot cannot run, signaling that the software is either unsafe or outdated.

What does the Event ID 1795 mean?

Event ID 1795 means that your computer could not boot securely, and the applications in the DBX revocation list may have booted with the startup. While this will not have any immediate adverse effects on your PC, it can cause security compatibility issues. If the error occurs frequently, then startup issues may occur.

Event ID 1795, the system firmware returned an error when attempting to update a secure boot variable.

As discussed, this is a system firmware error in Windows. To get the latest DBX revocation list, you must install the latest Windows update on your PC.

Head to the Windows Settings > Windows Update > Check For Updates to check for the latest update. Download and install all the updates.

Also, the system needs to be updated with the latest firmware. Head to the Windows Settings > Windows Update > Additional Settings > Optional updates for this. You will see if a firmware update is available for your PC there. If yes, then download and install it. Once installed, your PC will restart automatically.

As a final resort, you can run the System File Checker in the Command Prompt to check for corrupted system files and fix them.

We hope that you found the article helpful and were able to fix the Event ID 1795.