Windows 10: Windows Defender detects every exe file on my PC as a virus

Hello, I need help ASAP.Since yesterday, my Windows Defender is constantly showing me "Threats found" notifications. When I check the threats, every exe file, including games legit ones and software setup files are there as viruses. When I click on "Take Action" that doesn't do anything either. I tried every fix I could find on this site regarding similar issues, everything except deleting the scan history folder, because my system doesn't let me access the folder. So, I decided to reset Windows, completely cleaning the disk to check if it will fix the issue. But I still get notifications ev

:)

 

Why is windows defender not detecting virus ?

I have noticed that samclean dot exe is residing on my laptop. The laptop is running the latest version of windows 10 with security updates till today. but my windows defender is not detecting samclean dot exe. I have also scanned using the microsoft safety
scanner - 1.0.3001.0 version. but it too failed to detect the samclean dot exe virus/trojan.

regards

Sabir Hundekar

 

Virus Not Detected By Windows Defender

Hi,

If your running two antivirus at the same time and Windows Defender did not detect the virus, We suggest that you remove the virus with the third party malware that you're currently using. We recommend to use a single anti virus. and keep it up-to-date.

Let us know if you need further assistance.

 

Windows Defender realtime scanning will not switch on - it detects another anti-virus product.

Windows Defender realtime scanning will not switch on, and the message suggests there is another anti-virus product present but if there is it does show up in Window 10 UI.

The long story is that I am troubleshooting a problem with application software. The manufacturer suggest removing Bitdefender because there product is incompatible. I thought I would give this a try, if only to element Bitdefender as a cause.

Firstly, I upgraded from Bitdefender 2016 to 2017 to see if that made a difference. The application still failed so I decided to try removal.

• I used the standard uninstall to remove Bitdefender 2017, rebooted but Windows Defender would not start realtime protection because another product was providing realtime protection
• I download the uninstall application for Bitdefender 2017, ran it then rebooted but Windows Defender would not start realtime protection because another product was providing realtime protection
• I checked the file system and all Bitdefender files have been deleted.
• I check the registry and found a couple of references to Bitdefender Wallet, then deleted these.
• I rebooted but Windows Defender would not start realtime protection because another product was providing realtime protection
• I reran the uninstall application for Bitdefender 2017 then rebooted but Windows Defender would not start realtime protection because another product was providing realtime protection.
  

I can find no traces of Bitdefender so I wonder why Windows Defender detects another anti-virus software. I've check other posts but couldn't find additional steps for uninstalling an anti-virus software. Any suggestions?

Moved from Windows 10