How do I completely delete the old anti-virus before installing a new one?
I’ve removed the older anti-virus from my laptop through "remove program" option in the control panel. However, when I tried to install the new anti-virus using the installation disc I’ve just bought, it stated that the old anti-virus had not been removed yet. I’ve rechecked so many times but it didn’t work. The system requirements of my laptop are fine and compatible. So, what was wrong and how can I fix it?


antivirus tips and antivirus download:
http://top-antivirus-computer.cn
put your old anti-virus back on and download this then it will remove all hidden files also , http://www.revouninstaller.com/revo_uninstaller_free_download.html
If you were trying to remove Norton or some other Symantec product you should download and run the "Norton Removal Tool" you can find the free download at:
http://service1.symantec.com/Support/tsgeninfo.nsf/docid/2005033108162039
you don’t say which av you removed, if it was norton you will need the norton removal tool to completely remove it.
http://www.softpedia.com/get/Tweak/Uninstallers/Norton-Removal-Tool.shtml