AVAST Antivirus Help & Support AVAST Antivirus Help & Support provides 24x7 technical support for problems related to install, reinstall, uninstall, program errors, virus removal, and other related services via chat, phone & email. 102E, Trade St Charlotte North Carolina 28202 United States 1-800-910-8694 http://www.antivirus-help.com/avast-antivirus-support.php read full review »