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Until now, I always had Malwarebyte and Windows Defender running at the same time. And also the corresponding exclusions configured. However, I have the problem again and again that Windows Defender causes a very high CPU load. That's why I've now deactive Windows Defender. I wanted to ask what experiences you have? Is Malwarebyte alone sufficient?

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You should be able to run Windows Defender and Malwarebytes both together with no conflicts.

I assume you are running Windows 10. Do you have have Malwarebytes disabled in the Windows Security Center?

It should look like the sceenshot below:

WSC.png.b9fe253c60268a8a36a9bdee013870bd.png

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Greetings,

Yes, Malwarebytes alone is sufficient protection, however you may always re-enable Windows Defender if you wish as it is fully compatible with Malwarebytes.  As for the high CPU usage, it could be due to Windows Defender's scheduled scans.  You can disable scheduled scanning in Defender and see if that helps.

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3 hours ago, Hardhead said:

You should be able to run Windows Defender and Malwarebytes both together with no conflicts.

I assume you are running Windows 10. Do you have have Malwarebytes disabled in the Windows Security Center?

It should look like the sceenshot below:

WSC.png.b9fe253c60268a8a36a9bdee013870bd.png

The problem is the Windows Defender alone. The settings were as in the picture.

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3 hours ago, exile360 said:

Greetings,

Yes, Malwarebytes alone is sufficient protection, however you may always re-enable Windows Defender if you wish as it is fully compatible with Malwarebytes.  As for the high CPU usage, it could be due to Windows Defender's scheduled scans.  You can disable scheduled scanning in Defender and see if that helps.

It doesn't seem to be the problem of Scheduled Tasks

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according to task planning, the Scheduled Task has never run, but i can disable.

What happens if Malewarebyte is registered in Windows Defender ?

Is Windows Defender no longer active or in action?

Will scans (example Scheduled Tasks) continue to run by the Defender?

 

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If you register Malwarebytes in Windows Defender, Windows Defender will be disabled.  It won't load its real-time protection and I don't believe it will perform its scheduled scans any more either.

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Posted (edited)
20 minutes ago, toomm1 said:

according to task planning, the Scheduled Task has never run, but i can disable.

What happens if Malewarebyte is registered in Windows Defender ?

Is Windows Defender no longer active or in action?

Will scans (example Scheduled Tasks) continue to run by the Defender?

 

You will have this like @exile360 just described making it the default scanner.

WSC1.png.9be849f0e2f6896e729b85a3ad5277d9.png

Edited by Hardhead
added info
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I've registered Malwarebyte on Windows Security Center, but it has no effect. Windows Defender is also displayed und not Malwarebyte.

PC has been restarted.

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Please do the following so that we may see what is going on with your installation:

  1. Download and run the Malwarebytes Support Tool
  2. Accept the EULA and click Advanced tab on the left (not Start Repair)
  3. Click the Gather Logs button, and once it completes, attach the zip file it creates on your desktop to your next reply

Thanks

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Thanks, did you try disabling Windows Defender in any way?  I ask because it shows one of Windows Defender's startup entries as being disabled (likely via MSConfig) and I believe Defender itself needs to be enabled for it to properly detect Malwarebytes' registration with the Security Center/Action Center so that it disables itself as it should.

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9 hours ago, toomm1 said:

I have the problem again and again that Windows Defender causes a very high CPU load.?

Hi Toomm1.   You said that at the very top, which makes me curious.   If this is still happening, can you grab a screen-shot of that ?

Very curious as to how & where & at what point you see that  /   an what else may be running on the system at that very instant.

And rather than using Task Manager,  could you use Process Explorer instead.

Process Explorer   is an excellent substitute for the standard Task Manager  

https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer

.

See "Take a Screenshot on Windows"
https://lifehacker.com/how-to-take-a-screenshot-or-picture-of-whats-on-your-co-5825771

 

How to Take Screenshots in Windows 10
https://www.howtogeek.com/226280/how-to-take-screenshots-in-windows-10/

 

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if I set the switch in malwarebbyte under security at registered Windows Defender, then the error message will be displayed in the event log

Fehler beim Aktualisieren des -Status auf SECURITY_PRODUCT_STATE_ON.

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36 minutes ago, Maurice Naggar said:

Hi Toomm1.   You said that at the very top, which makes me curious.   If this is still happening, can you grab a screen-shot of that ?

Very curious as to how & where & at what point you see that  /   an what else may be running on the system at that very instant.

And rather than using Task Manager,  could you use Process Explorer instead.

Process Explorer   is an excellent substitute for the standard Task Manager  

https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer

.

See "Take a Screenshot on Windows"
https://lifehacker.com/how-to-take-a-screenshot-or-picture-of-whats-on-your-co-5825771

 

How to Take Screenshots in Windows 10
https://www.howtogeek.com/226280/how-to-take-screenshots-in-windows-10/

 

I have now reactivated the Windows Defender. When the effect reappears I will try to take screenshots.

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2 hours ago, exile360 said:

Thanks, did you try disabling Windows Defender in any way?  I ask because it shows one of Windows Defender's startup entries as being disabled (likely via MSConfig) and I believe Defender itself needs to be enabled for it to properly detect Malwarebytes' registration with the Security Center/Action Center so that it disables itself as it should.

I had previously disabled Windows Defender.

regedit, HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender, DisableAntiSpyware auf 1 setzen

and

gpedit.msc, Windows Defender Antivirus, Windows Defender Antivirus Deaktivieren, Aktiviert

Then I undo these entries.

Windows Defender is now starting back to normal and is active.


However, as soon as i activate malwarebyte under Security, registered with Windows Security Center, the error message appears in the Event Viewer:

Fehler beim Aktualisieren des -Status auf SECURITY_PRODUCT_STATE_ON.

 

in msconfig I have not changed anything

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Posted (edited)

You do not need to have Malwarebytes program "registered"  in Windows Security Center.   skip that altogether.

The Premium protections of Malwarebytes will still be on  & protecting the pc.

Edited by Maurice Naggar
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Posted (edited)

Additional notes.  Please do not use Regedit any more to make any adjustments.   Also likewise, do not make any other changes in MSCONFIG   without guidance.

Also for GPedit , no changes without guidance.

 

At this point,  I would ask that you run a fresh run of the Farbar FRST tool  so that it can be reviewed.

The report tool is named FRSTENGLISH  and it is on the Downloads folder.

 

Go to the Downloads folder   ( using Windows File Explorer )

 

Double click on FRSTENGLISH to start the tool.
Click YES when prompted by Windows U A C prompt to allow it to run.

Click Yes when the* disclaimer* appears in FRST.
The tool may want to update itself - in that case you'll be prompted when the update is completed and ready to use.

 

image.png.5d47975010636d1d032768cefa8d6625.png

 

 

Make sure that Addition options is *checked* - the configuration should look exactly like on the screen below (do not mark additional things unless asked).
Press Scan button and wait.   Much patience is a good thing.

 

 


The tool will produce 2  logfiles on your desktop: FRST.txt , Addition.txt 
Click OK button when it shows up. Close the Notepad windows when they show on screen. The tool saves the files.

Please attach these 2 files to your next reply.

Edited by Maurice Naggar
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this is the result from support tools, Malwarebytes program "registered"  in Windows Security Center is not activated.

And in the Event Viewer are this messages:

Der Windows-Sicherheitscenterdienst wurde gestartet.

Der Windows Defender-Status wurde erfolgreich auf SECURITY_PRODUCT_STATE_ON aktualisiert.

 

The Error message comes only, when Malwarebytes program "registered"  in Windows Security Center is activated

mbst-grab-results.zip

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There is no need to "register"  Malwarebytes in the Security Center.

The Malwarebytes Premium protections will still be protecting your machine.

Give me a few minutes to dive into this last zip file report.   Please do have patience.   😉

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Got the report.   Lets go slow   and a little at a time.

Review this, just to be sure.

There is one setting in Malwarebytes that needs to be off.   So that the Microsoft Windows Defender is all enabled.   The Premium ( or trial ) protections of Malwarebytes will still be on.

Start Malwarebytes. Click Settings ( gear ) icon. Next, lets make real sure that Malwarebytes does NOT register with Windows Security Center 

Click the Security Tab. Scroll down to 

"Windows Security Center"

Click the selection to the left  for the line "Always register Malwarebytes in the Windows Security Center".

Close Malwarebytes when done.

 

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8 hours ago, Maurice Naggar said:

Got the report.   Lets go slow   and a little at a time.

Review this, just to be sure.

There is one setting in Malwarebytes that needs to be off.   So that the Microsoft Windows Defender is all enabled.   The Premium ( or trial ) protections of Malwarebytes will still be on.

Start Malwarebytes. Click Settings ( gear ) icon. Next, lets make real sure that Malwarebytes does NOT register with Windows Security Center 

Click the Security Tab. Scroll down to 

"Windows Security Center"

Click the selection to the left  for the line "Always register Malwarebytes in the Windows Security Center".

Close Malwarebytes when done.

 

lets make real sure that Malwarebytes does NOT register with Windows Security Center ....

I am sure.

Addition.txt FRST.txt

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Thanks for the reports from FRST.

The FRST's   Addition report indicates that both Malwarebytes and Windows Defender are registered with Security Center of Windows.

==================== Security Center ========================

AV: Windows Defender (Enabled - Up to date) {D68DDC3A-831F-4fae-9E44-DA132C1ACF46}
AV: Malwarebytes (Enabled - Up to date) {23007AD3-69FE-687C-2629-D584AFFAF72B}

 

Another issue I notice, is , that it seems that Windows Defender was disabled manually by the use of MSCONFIG.

So lets make sure now that that is not so.

  Press the Windows Key + R on your keyboard at the same time. Type msconfig and click OK. 
  On the Services tab of the System Configuration dialog box, be sure  the "Hide all Microsoft services "    check box  is NOT selected.

You can click on the column header "services"  to get all sorted in order by name.

 

Look for Microsoft Defender Antivirus  Network Inspector Service   and be sure it is ticked   ( selected ) in the check box.

Look for Microsoft Defender Antivirus   Service   and be sure it is ticked   ( selected ) in the check box.

 

Look for the line for Windows Defender Firewall.   Be sure that that line has a tick mark in the check box.   We want that Enabled.

 

When done, click Apply button.   Then click OK button.   Then close the window.

You should then do a Windows RESTART.

 

Keep me advised.

 

  
 

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