Troubleshooting

Discover solutions for common issues and explore best practices to diagnose and resolve problems.

I'm having problems confirming my Mozilla account

Here are some common solutions to help you resolve issues such as missing confirmation emails and outdated or locked Mozilla account status.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated: 3 weeks, 1 day ago

What happened to Firefox Send?

Firefox Send has been discontinued as of September 17th, 2020. Thank you for trying Firefox Send in the past.

Firefox, Firefox Send Firefox, Firefox Send Last updated: 07/04/2023

Disable Firefox Sync on a lost phone or tablet

This article describes what you should do to prevent someone from accessing your passwords on a lost device with Firefox Sync.

Firefox, Firefox for Android, Firefox for iOS,... Firefox, Firefox for Android, Firefox for iOS, Mozilla Account Last updated: 10/29/2023

Sign up for Pocket with your Mozilla account

Pocket for Firefox lets you save articles for later. All you need is a free account. Sign up or sign in with your Mozilla account.

Firefox, Mozilla Account, Pocket Firefox, Mozilla Account, Pocket Last updated: 10/23/2023

Sign in to Pocket with your Mozilla account

Learn how to sign in to Pocket with your Mozilla account and resolve issues with signing in.

Firefox, Mozilla Account, Pocket Firefox, Mozilla Account, Pocket Last updated: 10/23/2023

Firefox is stuck in Troubleshoot Mode

Learn why Firefox may start in Troubleshoot Mode (previously known as "Safe Mode") when you expect it to start normally and how to fix it.

Firefox Firefox Last updated: 03/11/2023

Problems with email and how to find help

Find out the right direction to get help using webmail in Firefox and links to support pages for popular web-based email services.

Firefox Firefox Last updated: 06/22/2015

Avoid crashes - Tips and tricks

Here are some easy things you can do to avoid crashes and keep Firefox running in tip-top shape.

Firefox Firefox Last updated: 09/21/2021

Latest Firefox issues

This article links to solutions for the latest Firefox issues like problems with Flash not loading or crashing.

Firefox Firefox Last updated: 03/05/2015

Firefox keeps crashing at startup

If Firefox keeps crashing when you try to start it and other solutions don't work, a clean reinstall can often fix the problem.

Firefox Firefox Last updated: 11/09/2022
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