You will have to uninstall your old Av before installing the new one. Make sure you have the uninstall tool for your old Av as it removes most remnants so the new Av will install. Do these step disconnected from the internet.
I am trying to download an antivirus but i recieve an error message"error occur during unpacking"my antivirus is outdated vbut i cant download another one.please advice.
system ;windows xp