Troubleshooting · Software

Aurora Driver Error for Windows Digital Signature Verification 52 for USBLMCV2

Steps to mitigate Windows Driver Error Code 52 (digital signature verification) when installing the USBLMCV2 driver for the Aurora laser machine.

Preface: This article covers a few steps that may mitigate an Error 52 when installing the Driver for your Aurora Machine. Not everyone's Windows OS will have this issue, it is specific to your Windows OS settings/environment.

If you get this message on your Windows computer while installing the driver then lets try a few ways to mitigate.

Error 52 message

This is a manual install of the driver, seems to work for most users.

Be sure to use Windows Device Manager to un-install the device and driver if a BJJCZ device is showing up.

In Windows Device Manager:

Check for this Device Right Click, Uninstall Device Check the Box to Uninstall Driver
Check for this device Right click uninstall device Check box to uninstall driver

Manual Driver Install

Navigate to the Lightburn Folder on your Computer Install Ezcad2 Driver
Navigate to LightBurn folder

C:\Program Files\LightBurn\EzCad2Driver

Install Ezcad2 driver

Right Click on the driver exe file and select Run as administrator

Accept the UAC if it pops up (YES) Click Next to Begin
Accept UAC prompt Click Next to begin
Progress screen Click Install to proceed
Installation progress screen Click Install to proceed

Success! Click Finish.

Installation success screen

Once done, power up your machine all the way, plug in the USB and open up Lightburn and select the Aurora Device you wish to connect to. Check for the Ready status.

If the above steps did not work, try this.

Solved: Driver Error Code 52 - Driver Easy

Then run the manual driver installer shown in Step 1 and try to install the driver again.

If the above steps did not work, try this.

https://www.elevenforum.com/t/enable-or-disable-core-isolation-memory-integrity-in-windows-11.4942/

Then run the manual driver installer shown in Step 1 and try to install the driver again.

If the above steps do not work, please email [email protected] to start a ticket.

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