Firefox Private Network crashes when I send files over an encrypted file transfer

This article is no longer maintained, so its content might be out of date.

Mozilla will end support for Firefox Private Network on June 20th, 2023. You'll no longer be able to subscribe to Firefox Private Network, or install, reinstall, or use the extension. As an alternative, learn more about creating a secure, private connection to the internet using Mozilla VPN.

There is a known issue that will cause Firefox to crash when you send files using an encrypted file transfer service while FPN is on. This is a known issue that will be fixed in an upcoming release.

In the meantime, turning off FPN while you’re doing the file transfer should prevent Firefox from crashing:

  1. Click the Private Network button fpn new button on the toolbar to open the panel.
  2. Click the slider to turn it on or off.
    switch fpn on new

These fine people helped write this article:

Illustration of hands

Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.

Learn More