# Can't sign in to account

There are a few common reasons a login may not go through. Review the situations below and follow the steps that match what you’re experiencing to quickly regain access to your account.

### If you see the error message: `Error (auth/firebase-app-check-token-is-invalid)`

If you see this error when signing in, please update your app to the latest version and try again.

Go to **Settings > Help > Check for updates** to update the app, or follow the links below:

* [Windows - Microsoft Store](https://www.microsoft.com/en-us/p/upnote/9mv7690m8f5n?activetab=pivot:overviewtab) 
* [Windows - installer](https://download.getupnote.com/app/UpNote%20Setup.exe)
* [Mac](https://itunes.apple.com/us/app/upnote-an-elegant-note-app/id1398373917?ls=1\&mt=12)

If you have more than one UpNote installation on your device, please remove all versions and reinstall a single copy to ensure everything works properly.

### Unable to sign in with Google or Apple

Try hovering over the “Sign in with Google/Apple" button and clicking the pop-out icon to open the link in your browser to sign in.

<div align="left"><img src="https://3053791484-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFt4LISrSRa6fHrbSIdcE%2Fuploads%2FfB1BhaahfnplXCGZ8ILY%2Funknown.png?alt=media&#x26;token=08f590cf-0583-4581-b5f3-0c705d16c606" alt="" width="348"></div>

### Forgot password

* Follow [this guide](https://help.getupnote.com/get-started/manage-your-account/reset-password) to reset your password.&#x20;
* If you don’t see the password reset email, please make sure you’re using the latest version of UpNote and check your mailbox’s spam or junk folder.

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Still need help? [Contact us](https://help.getupnote.com/resources/contact-us) and we’ll assist you further.