# PV 5.9.1 Will Not Launch on Windows 10

**URL:** https://discourse.paraview.org/t/pv-5-9-1-will-not-launch-on-windows-10/8404
**Category:** ParaView Support
**Created:** [November 15, 2021, 5:56am UTC](https://discourse.paraview.org/t/pv-5-9-1-will-not-launch-on-windows-10/8404 "2021-11-15T05:56:21Z")
**Posts on this page:** 1
**Showing post:** 7

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [November 16, 2021, 8:09am UTC](https://discourse.paraview.org/t/pv-5-9-1-will-not-launch-on-windows-10/8404/7 "2021-11-16T08:09:41Z")

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Try recovering OpenGL info using pvpython:

> [@Recover OpenGL Informations from pvpython](https://discourse.paraview.org/t/recover-opengl-informations-from-pvpython/1536):
>
> The OpenGL informations, visible in Help → About dialog, are not easily recoverable in pvpython yet. Here is how to do it. On ParaView 5.6 and earlier versions: import vtk as VTK openGLInfo=VTK.vtkPVOpenGLInformation() session=servermanager.vtkSMProxyManager.GetProxyManager().GetActiveSession() session.GatherInformation(session.CLIENT, openGLInfo, 0) openGLInfo.GetVendor() openGLInfo.GetVersion() openGLInfo.GetRenderer() openGLInfo.GetCapabilities() On ParaView 5.7.X : openGLInfo=serverman…

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