Issue with a window appearing briefly at startup

A window pops up and closes instantly when I open a file. It might be a license or login window, but it’s annoying.

system info

Rhino 9 SR1 2026-11-10 (Rhino 9, 9.1.26314.09001, Git hash:master @ e7a246f3aefa1afad39e4dc6c2abb31fa5ca4d6f)
License type: Educational, build 2026-11-10
License details: Cloud Zoo

Windows 11 (10.0.26300 SR0.0) or greater (Physical RAM: 16GB)
.NET 10.0.10

Computer platform: LAPTOP - Plugged in [51% battery remaining]

Hybrid graphics configuration using DirectX
Primary display: NVIDIA GeForce RTX 5060 Laptop GPU (NVidia) Memory: 8GB, Driver date: 10-27-2026 (M-D-Y).

Integrated accelerated graphics device with 4 adapter port(s)

  • Laptop’s primary display device

Secondary graphics devices.
Intel(R) UHD Graphics (Intel) Memory: 2GB, Driver date: 9-3-2026 (M-D-Y).

Integrated graphics device with 4 adapter port(s)

  • Windows Main Display is laptop’s integrated screen or built-in port

DirectX Settings
Safe mode: Off

OpenBLAS: OpenBLAS 0.3.30 DYNAMIC_ARCH NO_AFFINITY Haswell MAX_THREADS=64.

Rhino plugins that do not ship with Rhino
C:\Users\Aziz\AppData\Roaming\McNeel\Rhinoceros\packages\9.0\BlockEditNew\2.1.7\blockeditnew.rhp “BlockEditNew” 2.0.0.0
C:\Users\Aziz\AppData\Roaming\McNeel\Rhinoceros\packages\9.0\height\3.9.137\net8.0\HEight.rhp “HEight” 3.9.137.0

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 9\Plug-ins\Commands.rhp “Commands” 9.1.26314.9001
C:\Program Files\Rhino 9\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 9\Plug-ins\RhinoAI\net8.0\RhinoAI.rhp “RhinoAI” 9.1.26314.9001
C:\Program Files\Rhino 9\Plug-ins\3dxRhino.9.rhp “3DxRhino.9”
C:\Program Files\Rhino 9\Plug-ins\UpdatesAndStatistics\UpdatesAndStatistics.rhp “UpdatesAndStatistics” 9.1.26314.9001
C:\Program Files\Rhino 9\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 9.1.26314.9001
C:\Program Files\Rhino 9\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 9.1.26314.9001
C:\Users\Aziz\AppData\Roaming\McNeel\Rhinoceros\packages\9.0\PanelingTools\2024.8.20.677\PanelingTools.rhp “PanelingTools”
C:\Program Files\Rhino 9\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 9\Plug-ins\MeshCommands.rhp “MeshCommands” 9.1.26314.9001
C:\Program Files\Rhino 9\Plug-ins\RhinoCycles.rhp “RhinoCycles” 9.1.26314.9001
C:\Program Files\Rhino 9\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 9\Plug-ins\SectionTools.rhp “SectionTools”