On Aug 14th 11 PM ET/Aug 15th 03:00 UTC, due to scheduled Firefox Account server maintenance, users may not be able to sign in or create a new subscription. This is expected to last approximately 30 minutes. Status updates can be found at https://status.vpn.mozilla.org or https://status.relay.firefox.com.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

What general problems will I likely encounter upgrading from 3.0.19 to 5.0.1 - my attempt to upgrade to 4.0 was disastrous?

  • Nzaghachi adịghị
  • 1 nwere nsogbu anwere nsogbu a
more options

Using Win XP. When I attempted to upgrade to 4.0 nothing worked so I uninstalled. For security reasons, I know I have to upgrade. What additionally can I do to preserve my settings? I ran a backup - what else.

Using Win XP. When I attempted to upgrade to 4.0 nothing worked so I uninstalled. For security reasons, I know I have to upgrade. What additionally can I do to preserve my settings? I ran a backup - what else.