The newly placed upgrade block is in place due to a compatibility issue with the NVIDIA discrete graphics chip in Some Surface Books 2 devices.
What you need to know
- Microsoft has placed a new upgrade block on the Windows 10 May 2019 Update.
- The block prevents the update from being automatically installed on Surface Book 2 devices with an NVIDIA discrete GPU.
- A compatibility issue prompted the block, but there is a workaround for those who have already installed the update.
Via:: Windows Central