Glassertje 0 Posted April 27 Share Posted April 27 (edited) Hello, Hi, I was under the assumption, if Eset Internet Security is installed, that windows defender is automatically disabled? I use Windows 11 22H2 and on 21H2 this was indeed the case. I've noticed for a while that my laptop doesn't really run well. So I tested one with a file that Windows Defender detects and then deletes, but Eset leaves it alone. If Eset is installed, the files will be deleted by Microsoft Defender antivirus service. If I then uninstall Eset, they are indeed under threats in windows defender. So if I exclude the folder where the file is located from scanning in Windows Defender, then defender will leave it alone when I have installed Eset. my question is actually whether it was recently added by microsoft, or is something wrong? This would mean that 2 antivirus packages are active at the same time, which can cause problems such as a slow PC/laptop. i made a screen if Eset is installed and enabled. In windows security i see the message that Eset internet Security is installed. Edit: I checkt my taskmanager when i click on some .exe files and turns out that windows defender checkt them all. Edited April 27 by Glassertje little edit Quote Link to comment Share on other sites More sharing options...
Administrators Marcos 4,704 Posted April 27 Administrators Share Posted April 27 When installing a 3rd party antivirus which registers to the Security Center, Windows itself disables Defender. Couldn't it be that you have periodic scanning enabled in Defender? Quote Link to comment Share on other sites More sharing options...
Glassertje 0 Posted April 27 Author Share Posted April 27 Hello Marcos, No, it's disabled. i even tried to reinstall my laptop, but no luck. Sins i'm on 22H2 my latop i really slower than normal. It's a12th gen i7, so it's fast enough. To be sure i am going to install the windows 11 21H2, i'm not so long on 22H2, but sins then i see this behavor. I let you know my findings. Quote Link to comment Share on other sites More sharing options...
Administrators Marcos 4,704 Posted April 27 Administrators Share Posted April 27 If you pause Web access protection and download the eicar.com test file, is it detected by ESET or Defender? Quote Link to comment Share on other sites More sharing options...
Glassertje 0 Posted April 27 Author Share Posted April 27 (edited) 29 minutes ago, Marcos said: If you pause Web access protection and download the eicar.com test file, is it detected by ESET or Defender? Eset. But i'm a little mad ad myself. 🫣 It happens to me more, that i found the problem after i post about it. The problem was AdGuard for Windows. For some reason it triggers windows defender. I think it has to do whit the redirect driver you must use if you use 3rd party antivirus or the WFP driver, I don't know. But I'm a little shocked that this could happen. Never new this. It was a great peace of software for years, but i think it is way to aggressive. I switch to ublock, because i have every time some other issues. I apologize for making a post about this. Topic can closed. Thank you for the help. Edited April 27 by Glassertje Quote Link to comment Share on other sites More sharing options...
itman 1,538 Posted April 27 Share Posted April 27 57 minutes ago, Glassertje said: I think it has to do whit the redirect driver you must use if you use 3rd party antivirus or the WFP driver, The Adguard settings GUI has as section in it where you can select using Adguard's mini-port device driver versus the default WFP one. That should resolve any conflicts with Eset usage since it uses WFP based drivers. However, I can see how this issue is related to MD running concurrently with Eset. As far as Win 11 22H2 goes, it appears the new SmartApp feature is the cause of this. See this prior forum posting: https://forum.eset.com/topic/34550-windows-defender-still-running-after-install-of-eset-internet-security/?do=findComment&comment=159509 Quote Link to comment Share on other sites More sharing options...
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