Workaround to make Estonian Smartcards work in Firefox 76+

Firefox Firefox Last updated: 06/05/2022
This workaround has been tested on Windows computers only. It might not be needed on Linux and macOS.

Warning: Changing advanced preferences can affect Firefox's stability and security. This is recommended for advanced users only.

  1. Type about:config in the address bar and press EnterReturn.
    A warning page may appear. Click Accept the Risk and Continue to go to the about:config page. (For more information about this page see Configuration Editor for Firefox.)
  2. Search for the security.osclientcerts.autoload preference and change its value from false to true by clicking the Toggle Fx71aboutconfig-ToggleButton button.
  3. Close the about:config Advanced Preferences tab.

(More technical details about this can be found in bug 1636100.)

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