@ Hi again, today I wanted to try on the VXGI branch and I followed the Intel’s guide to activate it. (https://software.intel/en-us/art…n-apis-for-ue4) So I Installed latest SDK and Nvidia Driver. I added “-” to end of editor shortcut. When I start the engine Firstly it crashes and asks me to enable r.ShaderDevelopmentMode in ConsoleVariables.ini. I enabled it and tried again but in time it shows another warning. I attached the ss of warning. If I click yes I have the same warning again and again and Initializing percent doesn’t make any progress. What can be the problem? Have you tried on the branch? I saw some people who are using the editor with