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Hello i got a 10.16.6 el capitan, a lot of website are unreacheable because the website is pointed unsecure or that my connexion is not private.
and of course for website am used to go
iMac Pro
The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.
With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. For Best results use Safari to commence the download as Others may not work.
Make Time Machine Backup is very useful and can be used to Revert to Previous Working macOS
Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina & Big Sur supports only 64 bit and there is no workaround.
Suggest using Go64 to find 32 bit application before attempting the upGrade. Some or many of the Application already installed may required update or upGrades to 64 Bit Versions.
Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS and may even Corrupt the OS requiring a Reinstallation
The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.
With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. For Best results use Safari to commence the download as Others may not work.
Make Time Machine Backup is very useful and can be used to Revert to Previous Working macOS
Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina & Big Sur supports only 64 bit and there is no workaround.
Suggest using Go64 to find 32 bit application before attempting the upGrade. Some or many of the Application already installed may required update or upGrades to 64 Bit Versions.
Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS and may even Corrupt the OS requiring a Reinstallation
You have El Capitan 10.11.6. Apple has not updated the Safari browser on El Capitan for several years, and in the meantime, many websites have upgraded their security to newer protocols that are now deprecated in your version of Safari. Only using browser's that incorporate the newer security protocols will continue to provide you with expected website access.
The issue you face with still running OS X El Capitan is that only the Google Chrome Browser and the Brave Browser (based on Chrome browser without the Google junk) still support it, and as it is currently the minimum supported operating system, it could be unsupported in the near future. Firefox 93 now requires macOS Sierra (10.12.6) as the minimum operating system supported.
Yes, exactly thank you,
that because a root certificate expired, https://techcrunch.com/2021/09/21/lets-encrypt-root-expiry/?guccounter=1&guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&guce_referrer_sig=AQAAAAMOq2cgfR5JRok5RZFlREG_Rx9N7Pmpx8pEarqmdflep-s359zL1ofDnhDL1555UGBLn0OeMMgzca-ZU8-cuURpddRh-vTt5ESuGAWF5q_V6k0PvnioRzBu6Ybvg0eMzk3lCU9iLpjDuMSgk5rIwPLBaYlq6UnSucZWqXfvCn4O
unfortunately there's no solution, except navigate with Firefox which seems to have his own security certficate.
On the 30th of September 2021 the certificates that allow you to connect to various
websites expired you can however download new ones.
Click on the link below,
https://letsencrypt.org/certificates/
Download these two files
ISRG Root X1
Self Signed click on the der to download
And ISRG Root X2
Self signed click on der to download.
Open the Keychain Access app in your Applications> Utility folder.
In the left column highlight System.
Click on File in the menubar and click on Import Items,
select the newly downloaded files in turn and press Open.
Double-click on one of the newly imported certificates, click on the disclosure triangle
and next to When using this certificate: change Use System Defaults to Always Trust.
Do the same for the other certificate.
Restart your mac.
Thank you,
the problem comes from a root certificate wich expired, and as i have an old device wich can be updated i am stuck.
https://scotthelme.co.uk/lets-encrypt-old-root-expiration/
About this mAc and what is the specific Age of this computer ?
Hello i got a 10.16.6 el capitan, a lot of website are unreacheable : the website is pointed unsecure or that my connexion is not private; for website i used to go, of course
