Downloaded and installed Version 9 SR1 (9.1.26300.06001, 10/27/2026).
It would not start. System should hourglass briefly, then nothing.
Repair and it now starts.
History
Rhino WIP/BETA user
Purchased Rhino 9 license on 10/28
Updated to latest 9.0 version
Rhino 9 working with no problems
Rhino 8 would not start, displaying “Cannot talk to license manager” message. Downloaded latest Rhino 8 SRC version which resolved problem.
Rhino 9 continues to work
Rhino 9 - Checked for latest updates - Service Release Candidate
Downloaded Rhino 9 SR and installed.
Rhino 9 would not open
Repair
Restart system
Rhino 9 now works.
Rhino 8 SR37 2026-10-21 (Rhino 8, 8.37.26294.11001, Git hash:master @ a6592128d921cf5111f81ead500d1035845fda34)
License type: Commercial, build 2026-10-21
License details: Cloud Zoo
Windows 11 (10.0.26100 SR0.0) or greater (Physical RAM: 64GB)
.NET 10.0.14
Computer platform: DESKTOP
Standard graphics configuration.
Primary display and OpenGL: NVIDIA GeForce RTX 2080 Ti (NVidia) Memory: 11GB, Driver date: 9-4-2026 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 616.92
> Accelerated graphics device with 4 adapter port(s)
- Windows Main Display attached to adapter port 0
OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
GPU Tessellation is: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 4.6 (primary GPU’s maximum)
Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High
Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 9-4-2026
Driver Version: 32.0.16.1692
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 11 GB
Rhino plugins that do not ship with Rhino
Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8\Plug-ins\Commands.rhp “Commands” 8.37.26294.11001
C:\Program Files\Rhino 8\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.37.26294.11001
C:\Program Files\Rhino 8\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.37.26294.11001
C:\Program Files\Rhino 8\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8\Plug-ins\MeshCommands.rhp “MeshCommands” 8.37.26294.11001
C:\Program Files\Rhino 8\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.37.26294.11001
C:\Program Files\Rhino 8\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.37.26294.11001
C:\Program Files\Rhino 8\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 8\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8\Plug-ins\SectionTools.rhp “SectionTools”