Grasshopper2.dll fails to load

Serengeti (Rhino BETA) Grasshopper2
, , ,
1

Hello,

on my laptop, the Grasshopper2.dll fails to load:

image
image2560×1392 457 KB

Here’s the GH2 log file:
log(b2af8797).html (19.7 KB)

And here’s my system info:

Rhino 9 SR0 2026-8-18 (Rhino 9 BETA, 9.0.26230.12303, Git hash:master @ 6f106e5b835d5e5898cf05bb9cc1139943a5666f)
License type: Not For Resale Lab, Build 2026-08-18
License details: Cloud Zoo
Expires on: 2026-10-02

Windows 11 (10.0.26200 SR0.0) or greater (Physical RAM: 31GB)
.NET 8.0.30

Computer platform: LAPTOP  - Plugged in \[98% battery remaining\]

Hybrid graphics configuration using DirectX
Primary display: NVIDIA T1200 Laptop GPU (NVidia) Memory: 4GB, Driver date: 7-10-2026 (M-D-Y).
> Integrated accelerated graphics device (shares primary device ports)
- Laptop's primary display device

Secondary graphics devices.
Intel(R) UHD Graphics (Intel) Memory: 2GB, Driver date: 3-3-2026 (M-D-Y).
> Integrated graphics device with 4 adapter port(s)
- Windows Main Display is laptop's integrated screen or built-in port
- Secondary monitor attached to adapter port #1

DirectX Settings
Safe mode: Off

OpenBLAS: OpenBLAS 0.3.30 DYNAMIC_ARCH NO_AFFINITY SkylakeX MAX_THREADS=64.

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\Commands.rhp	"Commands"	9.0.26230.12303
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\rdk.rhp	"Renderer Development Kit"	
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\3dxRhino.9.rhp	"3DxRhino.9"	
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\UpdatesAndStatistics\\UpdatesAndStatistics.rhp	"UpdatesAndStatistics"	9.0.26230.12303
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\RhinoRenderCycles.rhp	"Rhino Render"	9.0.26230.12303
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\rdk_etoui.rhp	"RDK_EtoUI"	9.0.26230.12303
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\NamedSnapshots.rhp	"Snapshots"	
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\MeshCommands.rhp	"MeshCommands"	9.0.26230.12303
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\Grasshopper2\\net48\\Grasshopper2Plugin.rhp	"Grasshopper2"	9.0.26230.12303
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\RhinoCycles.rhp	"RhinoCycles"	9.0.26230.12303
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\Displacement.rhp	"Displacement"	
C:\\Program Files\\Rhino 9 WIP\\Plug-ins\\SectionTools.rhp	"SectionTools"
2

I think I found the reason:
Although .NET 10.0.11 was installed on my Laptop, Rhino 9 used .NET 8.0.30 which was also installed. Deleting the .NET 8.0.30 resolved the issue.

Nevertheless, I think this behaviour is a bug in Rhino 9