How to fix the `MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE` error
info
この記事では、システムレベルでお使いのデバイスを保護する多機能広告ブロッカー、「AdGuard for Windows」について書いています。 実際どのように機能するのかを確認するには、AdGuard アプリをダウンロードしてください。
Some users of AdGuard for Windows with enabled HTTPS filtering are unable to access certain websites like google.com and youtube.com. Instead of opening a website, browsers with Strict Certificate Pinning would display a MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE
error.
Here is a list of impacted browsers:
- Arkenfox
- Brace
- Cachy Browser
- Dove
- FireDragon
- LibreWolf
- Mull
- Mullvad Browser
- Phoenix
- Tor Browser
If your default browser is one of these, do the following to solve the problem:
- Type
about:config
in the address bar of your browser - In the menu that appears, enter
security.cert_pinning.enforcement_level
in the search field. - Change the
security.cert_pinning.enforcement_level
parameter from 2 to 1.