What to do when your browser complains that a website you want to visit has a problem with its certificate security.
Firefox
It should have been so easy: a quick change of Root certificate. So why all the chaos, and most of all why you mustn’t compromise your security as a result.
Did you think it was only old Mac OS X affected by the Let’s Encrypt certificate expiry problem? No, it’s Safari wherever you can use it. Here’s how to deal with it.
You click on a link to get Apple software from the App Store, but it doesn’t work. Why not? What can you do to work around this?
I’ve two which I couldn’t do without. StopTheMadness restores Mac features like menus, autocomplete, copy and paste. Better is my choice of tracker blocker.
You try to open a document – in this case, one of Firefox’s bookmarks – and nothing happens. What could be wrong? It turns out it’s a bug, of course. But where?
Did you download and install any Mac software from the MacUpdate site on the first or second of […]
The workhorses of computer security, message digests and security certificates, are in the process of changing. Some disruption will result.
Colour gets simpler and better in Sierra, except of course when it comes to the web. Have you had any odd colour glitches?
How can I restore access using Safari, to a commercial website which now no longer works?
The Eclectic Light Company 