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AuthenticatorChooser 0.4.0, released by Aldaviva, is a lightweight background utility designed to streamline Windows FIDO and WebAuthn authentication flows by automatically selecting a USB security key instead of presenting the default phone-pairing prompt. The application targets developers, system administrators, and privacy-focused end-users who repeatedly encounter Microsoft’s built-in credential picker when accessing Azure AD, Office 365, GitHub, or any other service that relies on platform credential providers. By silently intercepting the native selector dialog and pre-selecting the USB authenticator, AuthenticatorChooser removes friction from sign-in workflows, shortens login times, and reduces support tickets tied to mis-clicked phone prompts. The program runs as an unobtrusive background process, starts with Windows, and requires no configuration beyond initial installation; it respects existing group-policy restrictions and leaves no audit footprint beyond standard Windows event logs. Although only two versions have been published so far, the 0.4.0 build refines process lifetime management and adds compatibility with the latest Windows 10 and Windows 11 cumulative updates. The utility falls squarely into the Security & Privacy category, complementing password managers, hardware-token middleware, and enterprise PKI toolkits. AuthenticatorChooser is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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