Sounds more related to OpenGL. Which driver version do you have? Can you try a 2019 driver (again installing only the video driver)?
Which GPU card is it exactly? What does the GPU usage in Task Manager looks like when Cubase freezes?
Sounds more related to OpenGL. Which driver version do you have? Can you try a 2019 driver (again installing only the video driver)?
Which GPU card is it exactly? What does the GPU usage in Task Manager looks like when Cubase freezes?