Operating System:
Windows
Linux
Kit Version:
110 (Kit App Template)
109 (Kit App Template)
108 (Kit App Template)
107 (Kit App Template)
106 (Kit App Template)
105 (Launcher)
Kit Template:
Kit Base Editor
GPU Hardware:
NVIDIA Quadro RTX 4000
GPU Driver:
32.0.15.9659
Work Flow:
Main Issue: RTX loading is always stuck at 0.00%
Reproduction Steps:
**Error Code:**2026-06-11T20:01:04Z [57,244ms] [Error] [carb.scenerenderer-rtx.plugin] Shader caches are missing from the application, which are required for RTX renderer. Verify the following extensions are added to the omni.app files and they exist in exts/extscore folder: omni.rtx.shadercache.vulkan and/or omni.rtx.shadercache.d3d12. appShaderCachePathList printed as Info in .log file will not be empty if the extensions are included correctly.
2026-06-11T20:01:04Z [57,248ms] [Warning] [omni.hydra.rtx] HydraEngine rtx failed creating scene renderer.
2026-06-11T20:01:04Z [57,248ms] [Warning] [omni.usd] UsdManager::initializeHydraEngineInstance - unable to create shared hydra engine context for engine: uid: 1024 type: rtx flags: 0 tickRateInHz: 0 deviceMask: 1 creationIndex: 0
2026-06-11T20:01:04Z [57,250ms] [Warning] [omni.usd] UsdManager::addHydraEngineWithConfiguration - Invalid sync scope created. Failed to add Hydra engine: uid: 1024 type: rtx flags: 0 tickRateInHz: 0 deviceMask: 0 creationIndex: 0
I do not have a lot to go on here, but two things jump out. 1) NVIDIA Quadro RTX 4000 is a pretty old card. It should work but I am assuming this is not the latest version of the card 2) Your GPU Drivers are really strange. 32.0.15.9659 ? We are on 591, 595 and 600s right now.
Either way, your system or your GPU is not able to generate the shader cache, so it cannot start. You cannot create the renderer, so that is why you are getting a blank black screen.
Can you send through a video capture of you trying to start the process?