I have a 12/2016 MX with the HW3 and MCU2 upgrades. I have been on 2024.2.7 for the last 3-4 weeks. I was just offered to install the 2024.3.15 upgrade. I started the install and about a ½ hr later it gave me the dreaded "software update failed" error. I'm glad I'm not a conspiracy theorist, but...