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Windows 7: Windows Defender - Turn On or Off



Windows Defender - Turn On or Off

How to Turn Windows Defender On or Off in Windows 7
Published by Brink
03 Apr 2009
Published by

How to Turn Windows Defender On or Off in Windows 7

information   Information
This will show you how to turn Windows Defender On or Off in Windows 7. When Windows Defender is on, you will be alerted when spyware and other potentially unwanted software tries to install itself or run on your computer. By default, Windows Defender is turned on in Windows 7.

Note   Note
If you installed Microsoft Security Essentials (MSE), then it will disable Window Defender by default, and MSE will be used by instead. You will not be able to turn on Windows Defender as long as you have MSE installed.

The release of the Microsoft Safety Scanner has resulted in confusion about the available anti-malware tools provided by Microsoft and questions about when they should be used.

Read more at: Understanding Microsoft Anti-Malware Software ~ Security Garden

warning   Warning
It's important to run antispyware software whenever you're using your computer. Spyware and other potentially unwanted software can try to install itself on your computer any time you connect to the Internet. It can also infect your computer when you install some programs using a CD, DVD, or other removable media. Spyware or potentially unwanted software can also be programmed to run at unexpected times, not just when it's installed.






OPTION ONE
Turn Off Windows Defender
1. Open the Control Panel (icons view), and click on the Windows Defender icon.

2. Click on Tools on the toolbar at the top. (see screenshot below)
Windows Defender - Turn On or Off-step1.jpg
3. Under Settings, click on Options. (see screenshot below)
Windows Defender - Turn On or Off-step2.jpg
4. In the left pane, click on Administrator. (see screenshot below)
Windows Defender - Turn On or Off-step3.jpg
5. Uncheck the Use this program box. (see screenshot below step 4)

7. Click on the Save button. (see screenshot below step 4)

8. If prompted by UAC, then click on Yes.

9. Click on the Close button. (see screenshot below)
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Note   Note
If you continue to get a Windows Defender pop-up after turning it off, then you can disable the "Windows Defender" service to stop it.




OPTION TWO
Turn On Windows Defender
1. Double check to make sure that the "Windows Defender" service is enabled and set to Automatic (Delayed Start).

2. Open the Control Panel (icons view), and click on the Windows Defender icon.

3. Click on the click here to turn it on link. (see screenshot below)
NOTE: This will take a moment to finish.
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4. When finished, close the Windows Defender window. (see screenshot below step 2 in OPTION ONE)
NOTE: To help prevent spyware and other potentially unwanted software from running on your computer, it is recommended that you also turn on Windows Defender real-time protection and select all real-time protection options.
That's it,
Shawn









13 Mar 2011   #1
smoothie09

windows 7
 
 

windows defender turned off but keeps popping up

My System SpecsSystem Spec
13 Mar 2011   #2
brianzion

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
 
 

Quote   Quote: Originally Posted by smoothie09 View Post
windows defender turned off but keeps popping up
great tutorial as always brink i always check mine is disabled in services too.


Attached Thumbnails
Windows Defender - Turn On or Off-brys-snap-13-march-2011-12h34m34s.png  
My System SpecsSystem Spec
26 Feb 2012   #3
nalbe

windows7 ultimate x32
 
 

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\WinDefend]
"Start"=dword:00000004

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WinDefend]
"Start"=dword:00000004
My System SpecsSystem Spec
.


26 Feb 2012   #4
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Nalbe,

Thank you, but it would be this instead.

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender]

ON
"DisableAntiSpyware"=dword:00000000

OFF
"DisableAntiSpyware"=dword:00000001
My System SpecsSystem Spec
01 Mar 2012   #5
anaron

Windows 7 Pro 64 bit
 
 

Brink, will this prevent the covert updates to Defender known as "critical updates"? I had set defender up as you showed with the exception of "Uncheck the Use this program box". Don't know how I missed it but I did. Over the past 4 weeks, Defender update KB915597 has messed up my machine 8 times resulting in me doing complete clean installs, which I am getting really good at. I am not real happy with MS Updates. In addition to the Defender update, NetFramework KB958488 also screwed up my machine twice. Just finished a complete redo last night only to find the Defender update had covertly installed around noon yesterday. Waiting to see the issues began. Got to be some way to totally stop the updates as I am totally paranoid.
Ron Burnes
My System SpecsSystem Spec
01 Mar 2012   #6
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Ron,

Personally, I would ditch Windows Defender by installing MSE (Microsoft Security Essentials). It's a lot better IMO. Either way, the updates for Windows Defender or MSE are definition updates that need to be installed to help keep your system protected from the latest malware and virus threats.
My System SpecsSystem Spec
01 Mar 2012   #7
zabih

win 7
 
 

Quote   Quote: Originally Posted by Brink View Post
Hello Ron,

Personally, I would ditch Windows Defender by installing MSE (Microsoft Security Essentials). It's a lot better IMO. Either way, the updates for Windows Defender or MSE are definition updates that need to be installed to help keep your system protected from the latest malware and virus threats.
Get rid of defender. Ire mse instead it our much better
My System SpecsSystem Spec
01 Mar 2012   #8
anaron

Windows 7 Pro 64 bit
 
 

I have been running Avast for a couple years. Is MSE better?
Ron Burnes
My System SpecsSystem Spec
01 Mar 2012   #9
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

They're about the same, but I like MSE better.
My System SpecsSystem Spec
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