Asus Laptop users beware
The Windows 10 April update borks Asus laptop keyboards - I had my laptop update itself while unattended. The Asus keyboard driver has an issue with the update. Updating the driver results in an error message stating the Asus Num Pad device was not compatible with this version of Windows.
Unfortunately my parents' Asus laptop also had updated itself while they were out. Luckily I had Teamviewer installed, remoted into it and rolled back on both laptops (after first trying to update the driver.)