Monster Hunter Rise Demo (1641480) crashes with Fatal D3D error (1)

[notpentadactyl]

This instantly happens when I switch to a different desktop/workspace (to look at a web browser e.g.).

Relevant log excerpt (I think):

7867.526:00c0:0104:fixme:oleacc:find_class_data unhandled window class: L"#32769"
019c:fixme:d3d12_device_Evict: iface 0000000050960030, object_count 1140, objects 000000002e765770 stub!
012c:warn:select_vk_format: Failed to find Vulkan swapchain format for DXGI_FORMAT_R8G8B8A8_UNORM.
012c:err:d3d12_swapchain_present: Failed to present after recreating swapchain, vr -1000001004.
012c:err:d3d12_swapchain_present: Failed to queue present, vr -1000001004.
012c:fixme:hresult_from_vk_result: Unhandled VkResult -1000001004.

Full log: steam-1641480.log