**1-802-557-0358 how to uninstall Thunderbird antivirus?** Thunderbird 24/7 Support Number +1-802-557-0358. To uninstall Thunderbird, use the standard method via the Control Panel or your operating system's app settings, or for a more complete removal, use the official Thunderbird Removal Tool. After running the uninstall or removal tool, restart your computer to finalize the process.