Possible errors when using the electronic certificateSkip information index
Error 403 persisting as your antivirus may be blocking the signature
If after performing all the checks related to the electronic certificate (expiry, installation, importing a copy, etc.), the 403 or similar error page is still displayed, in many cases it is the antivirus that is preventing the signature or that is causing the certificate selection window not to be displayed.
Below are the check paths of the most common antivirus software to check your settings.
Right-click the Kaspersky icon in the notification tray and select "Settings".If you open the Kaspersky Dashboard, access the settings from the gear icon in the bottom left corner.Then go to the "Advanced" (or "Additional") menu, "Network".Select the option "Do not scan encrypted connections".
If you are installed on Mac and the certificate selector does not appear, click on the Kaspersky icon in the top bar and go to "Preferences".Next, in the "General" section of the "Connection" tab, locate the checkbox "Check secure connections (HTTPS) for Safe Money, Private Browsing and Parental Control".
Bitdefender Total Security
Go to the menu "Protection", "Online threat prevention", "Settings".Once inside the settings, locate the "Encrypted website scanning" checkbox.
Bitdefender Free Edition
In this case, check the "Protection shield" option, available from the "Settings", "Protection", "Protection shield" menu.
Open the antivirus and go to "Options" (nut icon at the top right).Go to "Components" or "Active Protection", and locate the "Web Shield" option and click on the "Customise" button.Locate the option "Enable scanning of HTTPS".
On Mac, open the antivirus from the icon in the menu bar.Click on it and then click on "Open".Go to "Preferences", "Shields", "Web Shield", "Options".Next, locate the options "Scan private connections" and "Scan secure browser connections only".For some options, the Mac user's password will be requested.
Log in to the AVG interface and select the "Menu", "Settings" option.Then go to "Components", "Web Shield", "Customise".Locate the option "Enable HTTPS scanning".
On Mac, you must first log out of the browser.Then open AVG;you will find the icon in the status menu at the top right of the screen.You can check if AVG is installed in 'Finder', 'Applications'Then locate the "Web Shield" section.For some options, the Mac user's password will be requested.