--- title: "Google Authenticator error: \"disallowed_useragent\"" description: "Google Authenticator error: "disallowed_useragent"" --- [Skip to content](https://help.spirinc.com/en/google-authenticator-error-disallowed_useragent#main-content) - [English](https://help.spirinc.com/en/google-authenticator-error-disallowed_useragent) - [日本語](https://help.spirinc.com/ja/google認証で-アクセスをブロック認証エラーです-と表示される) English Show submenu for translations ![help\_logo.png\]](https://help.spirinc.com/hs-fs/hubfs/help_logo.png?height=34&name=help_logo.png) Open main navigation Close main navigation - - [English](https://help.spirinc.com/en/google-authenticator-error-disallowed_useragent) - [日本語](https://help.spirinc.com/ja/google認証で-アクセスをブロック認証エラーです-と表示される) English Show submenu for translations Advice and answers about Spir - There are no suggestions because the search field is empty. 1. [User's guide](https://help.spirinc.com/en?hsLang=en) 2. [Troubleshooting](https://help.spirinc.com/en/troubleshooting?hsLang=en) 3. [Sign up / Sign in](https://help.spirinc.com/en/troubleshooting?hsLang=en#sign-up-sign-in) # Google Authenticator error: "disallowed\_useragent" If you're using Spir on your phone's in-app browser, you may see a Google authentication error when signing up or logging in. (This happens when you use the browser that opens inside apps like Messenger or LINE.) Google authentication doesn't allow embedded browsers, so if you're seeing this error, open Spir in a browser app like Safari or Chrome. [https://support.google.com/accounts/answer/12917337?hl=en#403disallowed](https://support.google.com/accounts/answer/12917337?hl=en#403disallowed) - [Getting started](https://help.spirinc.com/en/getting-started?hsLang=en#main-content) - [Initial settings](https://help.spirinc.com/en/getting-started?hsLang=en#initial-settings) - [Scheduling via Spir](https://help.spirinc.com/en/getting-started?hsLang=en#scheduling-via-spir) - [Admin settings](https://help.spirinc.com/en/admin-settings?hsLang=en#main-content) - [Settings](https://help.spirinc.com/en/admin-settings?hsLang=en#settings) - [Payment and billing](https://help.spirinc.com/en/admin-settings?hsLang=en#payment-and-billing) - [Freqently asked questions](https://help.spirinc.com/en/freqently-asked-questions?hsLang=en#main-content) - [Calendar](https://help.spirinc.com/en/freqently-asked-questions?hsLang=en#calendar) - [Templates](https://help.spirinc.com/en/freqently-asked-questions?hsLang=en#templates) - [Notification](https://help.spirinc.com/en/freqently-asked-questions?hsLang=en#notification) - [Connecting external services](https://help.spirinc.com/en/freqently-asked-questions?hsLang=en#connecting-external-services) - [Security](https://help.spirinc.com/en/freqently-asked-questions?hsLang=en#security) - [Account/Team](https://help.spirinc.com/en/freqently-asked-questions?hsLang=en#account-team) - [Calendars](https://help.spirinc.com/en/calendars?hsLang=en) - [Templates](https://help.spirinc.com/en/templates?hsLang=en) - [Notification](https://help.spirinc.com/en/notification?hsLang=en) - [Connecting external services](https://help.spirinc.com/en/connecting-external-services?hsLang=en) - [Other usage](https://help.spirinc.com/en/other-usage?hsLang=en) - [Troubleshooting](https://help.spirinc.com/en/troubleshooting?hsLang=en#main-content) - [Sign up / Sign in](https://help.spirinc.com/en/troubleshooting?hsLang=en#sign-up-sign-in) - [Calendars](https://help.spirinc.com/en/troubleshooting?hsLang=en#calendars) - [Scheduling](https://help.spirinc.com/en/troubleshooting?hsLang=en#scheduling) - [Notification](https://help.spirinc.com/en/troubleshooting?hsLang=en#notification) - [Incident History / Others](https://help.spirinc.com/en/incident-history-others?hsLang=en) - [For Recipients of the Spir Link](https://help.spirinc.com/en/for-recipients-of-the-spir-link?hsLang=en) [![](https://help.spirinc.com/hubfs/s-286x150_881d4b0d-59a4-4dcb-aa19-1f17374e29c0.svg)](http://spirinc.com) Copyright © 2025, Spir inc.