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I'm running Safari 11.1.2 on OS X El Capitan 10.1.6 using a MacBook Pro 15" mid 2009. Of late I regularly encounter a failed to open page issue: "Safari can't open the page ... because Safari can't establish a secure connection to the server "..."
How do I fix this?
MacBook Pro 15″, OS X 10.11
Upgrade mocOS
How to get old versions of macOS - Apple Support
Remove all anti-virus softwere.
1. Force Quit Safari, launch Safari holding the Shift key down.
About pop-up ads and windows in Safari - Apple Support
2. Startup in Safe Mode.
Start up your Mac in safe mode - Apple Support.
Quote:
It also does a basic check of your startup disk, similar to using First Aid in Disk Utility.
And it deletes some system caches, including font caches and
the kernel cache, which are automatically created again as needed.
3. Clear History
Clear your browsing history in Safari on Mac - Apple Support
Please read the article before clearing history,
this is like a low level resetting of Safari without affecting passwords and bookmarks.
Upgrade mocOS
How to get old versions of macOS - Apple Support
Remove all anti-virus softwere.
1. Force Quit Safari, launch Safari holding the Shift key down.
About pop-up ads and windows in Safari - Apple Support
2. Startup in Safe Mode.
Start up your Mac in safe mode - Apple Support.
Quote:
It also does a basic check of your startup disk, similar to using First Aid in Disk Utility.
And it deletes some system caches, including font caches and
the kernel cache, which are automatically created again as needed.
3. Clear History
Clear your browsing history in Safari on Mac - Apple Support
Please read the article before clearing history,
this is like a low level resetting of Safari without affecting passwords and bookmarks.
Hey Dominic23, now that you've given me a link to "old versions of macOS", could I go back from OS X El Capitan 10.11.6 to OS X Yosemite 10.10 and in so doing be able to use Mail again (it's useless with El Capitan)?
Lack of Safari updates?
