引述 :『目前V9的bug還滿多的，如果還沒升級的人建議可以暫時不要升級，但如果已升級的人，也沒關係，如果沒問題就續用吧』

引述 :『Avira has launched its new Version 9. Benefit from extra features and more security – without any additional costs! Version changes are always free of charge for Avira customers. If you are not a customer of Avira, you have no more excuses now.』