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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.

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1answer
3k views

How can I schedule scans in the Windows 8 Windows Defender?

In the previous Windows versions (XP, Vista and 7), Windows Defender included the option to schedule when Windows Defender scans your computer. However, Windows Defender on Windows 8 doesn't seem to ...
6
votes
5answers
7k views

No Microsoft Security Essentials for Windows 8. So, how to access similar Defender features/settings?

I just installed Windows 8 Pro. One of the first things I went to do is install Microsoft Security Essentials, thinking I still needed add-on security software, but I've learned here that it isn't ...
64
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7answers
224k views

Disabling Microsoft Antimalware service

I can't disable the Microsoft Antimalware service (MsMpSvc/MsMpEng.exe). I tried using services.msc, but the Startup Type drop-down is grayed out and I can't change it to Disabled nor stop the service....
12
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3answers
12k views

How to add the Windows defender into Windows Explorer's right click menu to scan a particular drive/folder/file on demand in Windows 8?

There is no option in Windows Explorer to scan a particular drive (or file) on demand by right clicking on it in Windows Explorer as we had in Windows 7 with Microsoft Security Essentials or like ...
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2answers
14k views

Windows Defender vs. Security Essentials in Windows 8

What is the difference between Windows Defender on Windows 8 and Microsoft Security Essentials? They practically look alike, so is there a need to install Security Essentials?
10
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3answers
16k views

How can you scan from the command line with Windows Defender?

I'm trying to run a Windows Defender scan from the command line. According to the article I found here I should be able to run the following: "C:\program files\windows defender\mpcmdrun.exe" -scan 0 ...
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2answers
3k views

Windows defender gives error message on windows startup

When I first start up windows, I get this error message every time: Application failed to initialize: 0x80070006. The handle is invalid. Anyone got any ideas what might be causing it, or ideas ...
2
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1answer
21k views

How can I reinstall Windows Defender on my Windows 7 operating system

How do I reinstall Windows Defender to my Windows 7 Professional. It kept crashing, so I uninstalled it (And it DOES uninstall!) with the idea of reinstalling it. But when I try to reinstall, the ...
0
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2answers
157 views

Configure Windows Update more in-depth

On my Windows 7 system I have my Windows Update settings set to "Check for updates but let me choose whether to download and install them." I want this configuration but wish to make an exception for ...
3
votes
1answer
208 views

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 ...
0
votes
1answer
364 views

Windows Defender found “Backdoor.Win32/IRCbot.gen!M” what to do next?

The History of Windows-Defender on a vista home premium lists 3 times this software. The fist time "sucessfully" and two times "ignored". There is no button for any action, like remove, delete or ...
3
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5answers
11k views

How do you kill the Windows Defender “has been turned off” boot message?

Whenever I boot Windows 7, I get the message that says Windows Defender has been turned off (because of Security Essentials). I want Windows Defender off, and I want the message to go away. How do I ...
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vote
3answers
2k views

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 ...
11
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2answers
6k views

Difference between Malicious Software Removal Tool, WinDefender, Security Essentials?

What is the difference between these three products? Malicious Software Removal Tool Windows Defender Microsoft Security Essentials
5
votes
5answers
11k views

Why is Windows Defender disabled?

OK, I have been doing nothing different than I have been since I have gotten Windows 7. Now all of the sudden Windows Defender is turned OFF and I cant turn it back on. It tells me that it is ...
16
votes
2answers
4k views

Automatic Windows Defender Updates with Manual Windows/Microsoft Updates

I've got Windows/Microsoft Update on my Windows 7 laptop set to notify me when updates are available but not to do anything automatically. I also have Windows Defender running and it seems to have ...
7
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3answers
16k views

How do I stop getting updates for Windows Malicious Software Removal Tool and Windows Defender?

I have disabled the service for Windows Defender and I have configured the Action Center to not monitor or notify me about Spyware and Unwanted software protection. Windows Updates however really ...
1
vote
1answer
563 views

windows defender sample submission

I recently installed Virtual Clone Drive to mount an Iso on my new Windows 7 64 bit install, and a minute later Windows Defender is asking me if it can submit a sample, which consists of the Virtual ...
15
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6answers
26k views

Uninstall Windows Defender in Windows 7

Can Windows Defender be permanently uninstalled/removed from my current Windows 7 installation, it can't be done through the Add/Remove Programs Wizard.
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3answers
3k views

Microsoft Defender vs AVG 9.0

From various forums it appears that AVG 9.0 disables Microsoft Defender. Is there any way to stop that behavior?
0
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1answer
5k views

MsMpEng.exe (Windows Defender?) uses a lot of CPU at startup and runs two instances on a single core machine

I'm using Windows XP Professional SP2 on a single core AMD64 processor, and I've got two instances of MsMpEng.exe starting up when I start up and log in. They use 64MB and 32MB of ram and 140MB and ...