In the resulting dialogue, select the correct Root Certificate and then click OK.Select the certificate and click the Delete or Distrust button.Select the Authorities tab, and look for the Root Certificate that you would like to delete.Select Privacy & Security and scroll down to Certificates.After opening FireFox, navigate to the Options from the top right hamburger menu.From the details windows that opens, choose never trust as setting for When using this certificate under the trust settings.

Double-click the root certificate that you want to remove.

Open the application Ke圜hain Access, and select the Keychain System Roots from the sidebar.

From the Finder, navigate to the Utilities directory, which can be found in the Application directory (or you can use the keys Shift + Command + U).

Check 'Disable all purposes for this certificate', and click Apply.

Right-click on the certificate that you want to delete, and select Properties.

Open the arrow icon next to Root Certificates, then click the underlying Certificates folder.

In the MMC window, click beside Certificates (Local Computer) on the arrow icon, this will show the certificate store tree structure.

On the following screen, choose Computer Account, followed by Local Computer, then click OK.

Select the Certificates module from the area on the left, then click the Add button in the centre.

From the File menu, select Add/Remove Snap-In.

From the search icon in the Taskbar, type MMC into the run box to launch the Microsoft Management Console (MMC).

You can also disable the root certificate yourself. You could wait until the next update, where this root certificate is removed. Though it is possible that one of the root certificates need to be deleted. These root stores are maintained via pushed updates, where as old root certificate will be deleted and new ones will be added. Except for Linux systems, all other systems such as Apple, Microsoft and Mozilla work with root stores.

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