Twinmotion crashes when opening

[M-Nineteen47]

Hi - wondering if someone can help please.

Twinmotion crashes while starting up. I can’t understand why which is frustrating. It’s quite urgent for our business needs and I haven’t been able to use it for a week!

Please can someone advise what the issue might be?

Here is the Crash report:

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000d70

nvcuda64
nvcuda64
nvcuda64
nvcuda64
nvwgf2umx
nvwgf2umx
nvwgf2umx
nvwgf2umx
nvwgf2umx
D3D12Core
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
TwinmotionCookedEditor_Win64_Shipping
kernel32
ntdll

[SupportiveEntity]

Hey there @M-Nineteen47! Welcome to the community! So the issue seems to be coming from the Nvidia nvcuda64 library. This can come from GPU configuration issues, application environment issues, or driver corruption.

Here’s a thread going over some graphical crashing issues related to the other DLL mentioned after the Cuda one nvwgf2umx that should have some overlap in solutions, however I haven’t run across a Cuda specific failure before.

Any version crash!!!

Hey there @DSchultz2000! Welcome to the community! So the nvwgf2umx portion of this error refers to an Nvidia graphical dll. So more than likely it’s related to GPU settings or drivers. Most time’s I’ve run into this, the fix comes from a few possible angles. Listed in order of most common to least common known fixes: Defaulting your Nvidia 3D settings Disable G-sync in the Nvidia Control Panel Changing to Studio drivers instead of Game Ready drivers (For laptops) Disabling whisper mode in Ge…

Let me know if any of these work for you, I’ll add the Cuda error information to the post.

[LuisGualda]

I solved this by choosing NVIDIA rtx (my card) instead of “optimus” in Nvidia Settings.

[M-Nineteen47]

Hi there -

Thank you so much for your response and going into detail for the solution!

I tried resetting my Nvidia graphic card driver settings to default and my GPU settings under windows system to default and this seems to have resolved the issues - it’s loading fine now and seems to be stable.

I think I had changed these at some point when I had issues with another software so it must have become unstable with Twinmotion.

Thanks