# Problem in VTK 8.2 with defaultFormat() and QVTKOpenGLWidget on Windows 10/Intel

**URL:** <https://discourse.vtk.org/t/problem-in-vtk-8-2-with-defaultformat-and-qvtkopenglwidget-on-windows-10-intel/998>\
**Category:** Development\
**Created:** [May 21, 2019, 12:54pm UTC](https://discourse.vtk.org/t/problem-in-vtk-8-2-with-defaultformat-and-qvtkopenglwidget-on-windows-10-intel/998 "2019-05-21T12:54:42Z")\
**Posts on this page:** 1\
**Page:** 3

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**Author:** ![SimonH](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/s/7ba0ec/32.png) [@SimonH](https://discourse.vtk.org/u/SimonH)\
**Post date:** [August 21, 2023, 1:11pm UTC](https://discourse.vtk.org/t/problem-in-vtk-8-2-with-defaultformat-and-qvtkopenglwidget-on-windows-10-intel/998/41 "2023-08-21T13:11:16Z")

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> Try `mRenderWindow->Render()`

Hurrah - that did the trick - thanks very much.

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