Hi support , my late 2016 macbook pro tbp, is stuck in a boot up loop “a critical software update is required for your mac. “ this started appearing after i tried to update he latest macos sierra (think 11.3.4). I’m also stuck in the endless loop. i just updated to high sierra 4 days ago and the... macrumors forums 2016 mbp critical software update fail. discussion in 'macbook pro' started by gatewaymike, nov 14, 2016. most liked posts . page 2 of 2 prev 1 2. smileyboy, jan 21, 2018. smileyboy macrumors 65816. joined: aug 6, 2008 #26. i just had the logic board replaced in my mbp 16 2 weeks ago. However, that has not been my experience and even with a brand new mac, using the os it comes with (meaning, no erasing, no re-imaging, just configured).. after rebooting for the 10.12.2 update, i get that prompt for a "critical software update"..
Psa: while i can't help those who keep seeing this message repeatedly, it may interest you that this 'critical update' is the touch bar's os. when you do a clean install of sierra, it does a clean install of the watchos-esque software on the touch bar's chip too. that's why it's critical, and why you can't skip it.. Hello! i received my macbook pro 15' with a touch bar around a week ago and i have been having issues with starting it up. yesterday, my mac would.... - the update is comming from your efi and it's a security fix for the efi due the jailbreaks for the touchbar, to prevent access to the efi if hacked. up till now i could not get the update installed, but at least i got around it..