Norton, McAfee and others have a cleanup tool.
Also, if you can, use NINITE to get a clean install. Why? Read:
http://www.howtogeek.com/201354/ninite-is-the-only-safe-place-to-get-windows-freeware/
Bob
Whenever I tried to install new antivirus, I am informed to uninstall the previously installed antivirus, which I have uninstalled already . Any Help ?

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