As I documented last week, I’ve been having intermittent problems with my Internet connection. Just when I thought I’d solved it, I woke up this morning to yet another massive slowdown. Using the ...

Open console.app in the Utilities folder, you should be able to see from the system log what it was trying to do when it gave you that error message.

I have AT&T Fiber at home. For about the last three weeks, I'm getting intermittent connection failures on many common sites. Nothing changed about my home network setup before this started. This ...