Hi David,
You mentioned below you are running 10.12.1 El Capitan… 10.12.1 is macOS Sierra
10.12.1 & now has update 10.12.2
Make sure all your Browsers are current latest versions.
Also check Keychain Access for any ‘Expired Certificates’! Especially look for
the one I mention below.
• On your Mac computer, at the top right, click Spotlight search .
• Enter "Keychain Access."
• In the results, click Keychain Access.
• At the top of your computer screen, click View Show Expired
Certificates.
• At the top right, click Search .
• Type "DigiCert High" and press Enter on your keyboard.
• Find "DigiCert High Assurance EV Root CA" that is marked as Expired .
Click the certificate.
• Delete by pressing Delete on your keyboard
Cheers,
Ronni
13-inch MacBook Air (April 2014)
1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
8GB 1600MHz LPDDR3 SDRAM
512GB PCIe-based Flash Storage
macOS Sierra 10.12.2
> On 19 Dec. 2016, at 2:25 pm, David Noel <[email protected]> wrote:
>
> Hi Ronni, no, I have no security-type software. Anything else, such as
> a work-around?
>
> Cheers, David.
>
> On 19 December 2016 at 14:10, Ronda Brown <[email protected]> wrote:
>> Are you using Kaspersky security software or Avast or some such software?
>>
>>
>> Sent from Ronni's iPad4
>>
>>
>> On 19 Dec. 2016, at 1:58 pm, David Noel <[email protected]> wrote:
>>
>> I have a new iMac which I use for most purposes, running 10.12.1 El
>> Capitan. Since I upgraded from 10.11, I've had occasional problems
>> where my browsers can't access Google and Apple's own sites.
>>
>> Error message from Chrome on accessing gmail:
>>
>> "this site can't provide a secure connection, mail.google.com doesn't
>> adhere to security standards".
>>
>> Error message from Firefox on accessing Apple:
>>
>> The owner of support.apple.com has configured their website improperly
>> to protect your information from being stolen, Firefox has not
>> connected to this website".
>>
>> Safari did not produce an error message, but seemed unable to load
>> certain sites.
>>
>> In the past, I've been able to clear this problem by Restarting, but
>> this hasn't worked today. Has anyone any ideas on this matter?
>>
>> It's inconceivable that Google and Apple have the faults indicated. As
>> I'm unable to access gmail, I'm sending this from my older machine
>> still on 10.6.8 -- this does not have the above problem.
>>
>> Thanks and Merry Christmas --
>>
>> David Noel
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