Questions tagged [windows-defender]

In Windows 8 and later versions of Windows, Windows Defender is a built in antivirus software product that replaces Microsoft Security Essentials. Before Windows 8, Windows Defender featured antispyware capabilities and was not offering antivirus protection.

In Windows 8 and newer versions of Windows, Windows Defender is a built in antivirus software product that replaces Microsoft Security Essentials. Before Windows 8, Windows Defender featured antispyware capabilities and did not offer antivirus protection.

More information: Windows 8 Defender

Windows Defender Software

369 questions
11
votes
2 answers

Antimalware Service Executable - Windows Defender Service - Large Network Usage

Antimalware Service / Windows Defender Service is using a large amount of network resources quite often on my machine. I am trying to first pinpoint WHY this is happening, before I move forward with a few ways to curb it from…
Shackrock
  • 820
3
votes
1 answer

Windows Defender shows GUI at PC start up

I am running Windows 7 64 bit on my PC. For a few weeks now, when I boot up my PC, the Windows Defender interface displays and I have to close it with the x each time. Even if I disable Defender, I still get a message saying that it is turned off…
2
votes
1 answer

How to disable Windows 10 defender in windows 10 home 1909

I need an effective way to permanently shut down the defender services iam using home version the local group policy editor doesn't exist, and the hkey local machine method doesn't work on the latest update the folder doesn't exist
1
vote
5 answers

Is Windows Defender "good enough"?

Out of habit I just downloaded Avira to my new WIn7 computer and during install it told me Windows Defender was present and running the two together may lead to problems. Which reminded me about Windows Defender (had forgotten about it). Given that…
Drew
  • 1,852
1
vote
1 answer

Unable to remove "Scan with Windows Defender" from Windows Explorer context menu

To remove Scan with Windows Defender from Windows Explorer's context menu, I obtained remove Scan with Windows Defender.reg from here Windows Registry Editor Version…
user2153235
  • 1,171
1
vote
0 answers

Microsoft Defender Antivirus stops scanning after a threat is found

Yesterday I uninstalled Avira antivirus and started using Microsoft Defender Antivirus. Today I ran Full scan. After scanning about 3.03 million files in 45 minutes it found a threat in an old installation file that I had never run on my current…
iwis
  • 301
1
vote
1 answer

uninstall windows 10 defender update

I need to uninstall the latest windows 10 defender update. However, these updates are not found in the 'uninstall an update'screen you can find under the update panel. When I go to 'security at a glance'I only have the option to scan for new…
Robin
  • 123
0
votes
1 answer

Windows Defender never completes offline scans - could this be malware and how do I restore normal function?

I have not been able to view scan reports after running offline scans since I started actively running them (about 6 months ago). I always assumed no news was good news and left it at that. Today I was interested in seeing the logs and checked event…
user3709
  • 119
  • 1
  • 5
0
votes
0 answers

Windows Defender Firewall, why these defaults?

For some time now these are the default settings WD propoes to me each time a process tries to connect to network for the first time. The picture is in italian but it substantially asks for forbidding communication on private networks but letting…
Daniele
  • 111
  • 5
0
votes
0 answers

How to exclude specific shadow copy files or folders from Windows Defender?

I have some utilities purposefully installed on my computer that Windows Defender detects as malware/hacking tools and wants to remove. I've successfully added them to the exclusion whitelist via Control Panel >> Virus & threat protection >> Manage…
matt wilkie
  • 5,143
0
votes
2 answers

Windows defender quarantined a PHP file I have been working on and restore doesn't seem to work

Windows defender (Security) quarantined a PHP file I have been working on and restore doesn't work. I was mapped into one of my servers and Window Security claimed that a text file I've been working (projects.php) on was a virus and quarantined it.…
Jeff
  • 261
0
votes
0 answers

what triggers windows defender to flag a download?

I'm trying to learn more about computers and often I have to download a file. I find what I consider is a trusted site- for example maybe someone mentioned it on a udemy course I'm taking. So often, I download the zip or exe and windows defender…
link
  • 43