I've lost 3+ years worth of tabs.
Firefox will automatically close immediately after checking for updates for add-ons.
Disabling FVD prevents that from happening.
I am using version 56.
Also please don't respond with;
This is the simples option, not always help but we encourage to try.
If it won't help, let us know.
^ This does not work.
And please don't tell me to install eversync.
Just revert, nothing you did with this update is worth shit to anyone.
Servicio de atención al cliente por UserEcho