Separate Security Issue: Update your Flash Player or remove it using these links; Uninstall Flash Player | Windows {web link} Uninstall Flash Player | Mac {web link}

Note: Windows users should download the ActiveX for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX.

Flash Player Version 32.0.0171

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration

Cookies and local storage are not sync options.

Please explain the problem in detail. What happens? What is the exact error messages?

Can you sync the tabs to another computer or only a mobile phone?

I’m trying to open up for example 80 tabs on one computer and be able to open them up on another computer in a different location, is that possible?

I think the option Open Tabs is what you want.

Private Browsing mode can effect the way local storage works. You can also try to create a cookie allow exception for the https://accounts.firefox.com domain.