A:When you download programs from the Internet or surf the Web, danger tends to lurk around every corner. There is a host of malicious software,...(more)

A:Microsoft Security Essentials and Windows Defender are two distinct programs created by Microsoft. The programs can be run at the same time, b...(more)

A:Open Windows Defender. Click on "Tools" and then click on "Microsoft SpyNet." Click on either "Join with a basic membership" or "Join with a...(more)

A:All softwares to protect your computer will slow down it a liittle.

A:I don't care about its complete scan or quick scan cause it'll scan if you have the real time monitoring on.