Changes

When distributing binary and source code versions of Firefox On Windows:, Thunderbird, and other Mozilla-related software products the Mozilla Foundation and its wholly-owned subsidiary the Mozilla Corporation include with such software a default set of X.509v3 certificates for various Certification Authorities (CAs).

The following describes how to delete a root certificate from your installation of Firefox and Thunderbird On Windows:.

Firefox On Mac'''Important:''' This change may be overridden when you upgrade to the next version of the Mozilla software. If the root certificate that you deleted is still in Mozilla's default root store, then the root certificate will be included again the next time you upgrade to a newer version of the software.

[[Firefox]]# Open the '''Options/Preferences''' window:#* On Windows: Pull down the '''Tools''' menu and select '''Options…'Important''#* On Mac:Pull down the '''Firefox''' menu and select '''Preferences...'''# Select '''Advanced'''# Select '''Encryption'''# Click on '''View Certificates''' This change may be overridden when you upgrade to open the next version of '''Certificate Manager'''# Select '''Authorities'''# Select the Mozilla softwareRoot Certificate that you want to delete# Click on '''Delete... '''# If the deleted you are sure you want to delete that root certificate is still , click on '''OK'''# Click on '''OK''' in Mozillathe '''Certificate Manager'''# Close the '''Options/Preferences''' window  [[Thunderbird]]# Open the '''Options/Preferences''' window:#* On Windows: Pull down the '''Tools''' menu and select '''Options…'''#* On Mac: Pull down the '''Thunderbird''' menu and select '''Preferences...'''# Select '''Advanced'''# Select '''Certificates'''# Click on '''View Certificates''' to open the '''Certificate Manager'''# Select '''Authorities'''s default root store, then # Select the Root Certificate that you want to delete# Click on '''Delete...'''# If you are sure you want to delete that root certificate will be included again , click on '''OK'''# Click on '''OK''' in the next time you upgrade to a newer version of '''Certificate Manager'''# Close the software.'''Options/Preferences''' window