I'm updating my windows defender and I installed mse or norton, but is not install what is the reason behined it

When I update windows at this point that I uninstall norton and after uninstalling it I updated windows defender and after one day, when I want to install microsoft security essential, then it installs but it is not updatable. I want the reason

If you install MSE, norton or any other program that provides a real-time protection, windows Defender must be turned off.

http://Windows.Microsoft.com/en-us/Windows-Vista/turn-Windows-Defender-on-or-off

The reason is that you want only one program installed and active on your system that offers protection in real time as two or more can cause conflicts and slowing down your system.

Say for examle you picked up a well known spyware, and you had both windows defender and MSE running, they would both try and catch it and this would lead to a variety of problems.

The best would be to install a good antivirus software and turn off and ignore the windows Defender

* Note that the same streets of wanting 1 also applies to firewalls.  If you choose to intall norton, and the version you install has its own firewall you want to disable the windows firewall.

http://Windows.Microsoft.com/en-us/Windows-Vista/turn-Windows-Firewall-on-or-off

Good luck

Chris

Tags: Windows

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