A starting point for diagnosing and fixing your Mac problems, with links to key articles here.
From 10.8 onwards, you will not see the classic grey display, but your Mac will spontaneously restart or shut down. Here are the details, and what to do next.
Apple has today pushed out an update to its Gatekeeper Configuration Data, for Sierra and El Capitan users. […]
Apple has today pushed out a new version of its Incompatible Kernel Extension Configuration Data, which has been […]
Apple has silently pushed out an update to the XProtect settings for OS X El Capitan and macOS […]
Apple has recently pushed out silent updates to both its Incompatible Kernel Extension Configuration Data (on 25 October) […]
Mavericks, Yosemite, El Capitan, and Sierra have been free, until the release of the next major version, when they become priceless for some users.