Windows 10: Windows Defender running with 3rd party software

Had to reset my PC recently to try and solve a Microsoft Update issue, didn`t resolve it. But recently noticed that in security center, "where it did state that my 3rd party software name was protecting my pc" now it just shows - This is Defender running. Although when go to manage settings, turn off "real time protection" pop up states that both defender and my other anti virus has been shut off. Click on pop up and choose to turn on my anti virus, it never does, and shows defender in snooze mode. And still receiving defender updates. So I have to turn "real time protection" back on. I though

:)

 

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3rd party AV program

The message you are describing may be observed if another antivirus program is still installed or there are remnants of a third party antivirus program still installed.

https://support.microsoft.com/en-us...b59cebc4f24/how-to-protect-your-windows-10-pc
Note the statement "If you want to use Windows Defender Antivirus, uninstall all of your other antivirus programs and Windows Defender Antivirus will automatically turn on. You may be asked to restart your device."

Go to Security and Maintenance, look in 'Security' and see what program is listed under Virus Protection. Windows Defender will not be enabled and functioning properly if there is a program other than Windows Defender listed.

For further information see the reply of quietman7 in http://answers.microsoft.com/en-us/...defender/e994f94f-92d5-4d44-9721-79c2a686ce24

You may want to try the steps recommended in Problems
starting Windows Defender in Windows 8/8.1/10 to include running SFC, scanning for malware with Malwarebytes and running the software removal tools for any security software (Avast,
AVG, McAfee, Norton, whatever) that may have previously been on the computer followed by a reboot? List of
anti-malware product removal tools

And see Configure Windows Defender in Windows
8, 8.1 and 10

If you can't resolve this issue suggest you post back in this thread and provide additional information.

Regards…

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Windows defender's process running despite it being disabled.

Windows Defender is integrated within Windows 10. So you have it and it is running (as it should be) unless you installed a 3rd party "real-time" anti-malware solution. If you are using an alternative security solution, it should have registered itself with Windows Action Center which would then disable the real-time component of Windows Defender - unless you specifically told the 3rd party solution not to register itself.

For example, if you purchased Malwarebytes "Premium", it has a real-time scanner (the free version does not). When you install Malwarebytes Premium, it registers itself in Windows Action Center. But because Malwarebytes and Windows Defender play very well together without hogging resources or causing conflicts, it is often recommended to allow each to run at the same time. So to allow that, the user has to manually go into the Malwarebytes control panel Settings menu and select the option to "Never register Malwarebytes in the Windows Action Center".

I suspect other 3rd party solutions provide similar options so you might check that out if you did indeed, install a 3rd party security solution.

Both Windows Update and Windows Defender are supposed to step way back in to the background so they do not interfere with system performance when you are actively using your computer. But this is not always possible, especially if you regularly shut down your computer when you step away from it (instead of just letting it go to sleep), as too much time may have passed and your system is too far behind in Windows and security updates.

Without you noting which program was actually consuming the lion's share of that 80%, there's no way to tell what, at this point, was causing the problem. However, I would not put it past a browser. Chrome, for example, is very good (or bad, I should say) at eating up a lot of RAM and failing to let it go when exited.