When you have tried everything else, this shell command will throw the book at your problem, running all the diagnostics it can.
OS X
El Capitan’s no-go areas make many important extensions unusable now. Apple must step in and enhance OS X to compensate.
Why it takes two clicks or taps to dismiss a dialog which is not the front window in OS X, and why that is correct.
In-app update systems can be vulnerable to attack, if they do not use secure connections throughout.
A serious vulnerability was discovered in OpenSSL in the New Year. Although the conditions in which it is […]
Perhaps not as effective as one of the better anti-virus apps, it is free and built into OS X.
Some Macs seem to be struggling with El Capitan updates. Does yours?
On 21 January 2016, Apple pushed out a silent update to XProtect, its anti-malware protection software built into […]
What is Apple’s dark secret about OS X 10.11.3? Or was it just a failure in documentation?
The update was over 600 MB: here is a fuller list of what it actually updated.
The Eclectic Light Company 