If your Lumo Play installation crashes when using the Intel RealSense D415, D435, or D435i camera with a 2x00004000 error code you can resolve the issue fairly simply by installing the updated Microsoft Visual C++ 2015 runtime, and by optionally updating the firmware on your RealSense device.
1- Update the Visual C++ 2015 Runtime
First, make sure to download and install the Microsoft Visual C++ 2015 Runtime update available here. Click on the download button and select both the 32-bit and 64-bit versions:
Click the "Next" button in the lower-right corner to begin the download. Once the files have downloaded, double-click on each one to install the update.
2- Check for Firmware Updates
Once the Microsoft Visual C++ 2015 runtime is updated, you may wish to check if there are firmware updates available for your RealSense camera. To begin, download the official RealSense viewer ("Intel.RealSense.Viewer.exe") from this page.
With the RealSense connected to your computer, double-click on the program to open it. If a firmware update is available, a notice will appear in the upper-right corner of the application:
Click on the "Download update" button to download the firmware. Extract the Signed_Image_UVC*.bin from the zip file:
Next, download the firmware update tool from Intel from this page. Extract intel-realsense-dfu.exe from the zip file:
Finally, double-click on intel-realsense-dfu.exe to run the firmware update tool and follow the on-screen instructions. The firmware update tool uses a text-based interface, so make sure to have a keyboard handy.
Press 1 to begin installing the firmware update to your RealSense camera
Press the number that corresponds to the camera you want to update. If you only have one camera, press 1. Then type the complete path to the location you unzipped the Signed_Image_UVC*.bin file to
When the firmware has finished updating, you should see this