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Windows 7: Windows Defender - Turn On or Off

03 Apr 2009   #9
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 
Windows Defender - Turn On or Off

How to Turn Windows Defender On or Off in Windows 7

...


My System SpecsSystem Spec
01 Mar 2012   #10
gregrocker
Microsoft MVP

 

Have you heard of the MSE beta which has auto-updating and silent threat removal?


My System SpecsSystem Spec
01 Mar 2012   #11
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

My System SpecsSystem Spec
01 Mar 2012   #12
anaron

Windows 7 Pro 64 bit
 
 

Thanks Brink, got it downloaded and will give it a try.
Ron Burnes
My System SpecsSystem Spec
01 Mar 2012   #13
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

You're welcome Ron.
My System SpecsSystem Spec
.


09 Mar 2012   #14
hdc

w7 home premium 32 bit
 
 
stop defender popup

These methods certainly disable the defender service, but you will probably still see a popup at boot saying the service is disabled. This is caused by another startup item. In vista, it was obvious - windows defender, but in Windows 7, it is obfuscated under MS(R) Win(R) Operating System. Look in the command column to find the culprit - defender\msascui.exe.
My System SpecsSystem Spec
09 Mar 2012   #15
anaron

Windows 7 Pro 64 bit
 
 

Thanks, I'll keep this in mind but a week now and no issues with Defender - fingers crossed!'
Ron Burnes
My System SpecsSystem Spec
19 Mar 2012   #16
anaron

Windows 7 Pro 64 bit
 
 

Thanks Brink, it has worked out as you said. Defender is no longer an issue and MSE appears to be pretty good.

Ron Burnes
My System SpecsSystem Spec
19 Mar 2012   #17
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

That's great new Ron. Thank you for posting back with an update.
My System SpecsSystem Spec
22 Apr 2012   #18
XP1

 
 

Quote   Quote: Originally Posted by Brink View Post
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
You have to set registry permissions for "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender" on Windows Vista and 7. Otherwise, you get registry import error:

Code:
[Window Title]
Registry Editor

[Content]
Cannot import .\Disable Windows Defender.reg: Not all data was successfully written to the registry.  Some keys are open by the system or other processes.

[OK]
You must follow these steps:
  1. Right click on key > Permissions...> Advanced > Owner.
  2. Under "Change owner to:", select "Administrators" > Enable "Replace owner on subcontainers and objects" > OK.
  3. Under "Group or user names:", select "Administrators" > Under "Allow", enable "Full Control" > OK.

Otherwise, setting permissions will show this error:
Code:
---------------------------
Windows Security
---------------------------
Unable to save permission changes on Windows Defender.

Access is denied.

---------------------------
OK   
---------------------------
My System SpecsSystem Spec
25 Mar 2013   #19
Hunter36

Windows 7 Professional x86
 
 

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.
I was wondering about Windows Defender. Usually in XP, WD has an unistaller, but in Windows 7, it does not. I have MSE as my main security software right now, how do I if possible, remove Windows Defender off from my computer?
My System SpecsSystem Spec
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