the Windows defender application...

I tried to open it with windows defender, but continue to get the message that the application is disabled. I can't find the application or program on my computer to uninstall and re install to try to circumvent the app. I went to the application and is not here. So I hope that someone can help me. I want to run it in the hope of her to help me with another problem error I get driver Irql. This message returns constantly to the top and its driving me crazy trying to find a way to fix it also. I would appreciate any help any of these problems.

Hey Leejones

Welcome to the Microsoft Community Forum.

For you explain windows defender is built this antivirus program in windows 8. When you install a third-party antivirus program, automatically the windows Defender will be disabled and you will not be able to turn it on, until and unless you uninstall the third-party antivirus software.

Please refer to the below section of Wiki mentioned by Stephen Boots

http://answers.Microsoft.com/en-us/protect/wiki/protect_defender-protect_start/Windows-Defender-on-Windows-8-introduction-and/f1e00106-6687-4efe-9ec0-ed9f72fabb92

I hope this helps. Write to us for assistance.

Tags: Windows

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