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Questions tagged [windows-defender]

Use with Windows Security which was formally called Windows Defender Security Center

References:
Help protect my device with Windows Security

Related tag:
Windows-Security

180 questions
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Windows Defender (on Win 10) breaking System Restore

When I do a system restore in Windows 10 1607 (Anniversary Update), I get this error: Based on the error, it looks like Windows Defender isn't playing well with System restore -- and lo and behold, when I disable Windows Defender, the System…
Bob
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Using a ping response to restart a power shell script

Good afternoon! I have the following script to automate the process of running Update-MpSignature and then running the defender offline scan with Start-MpWDOScan. I use ping 120 to run a short term ping to verify that the computer goes down but have…
Andrew Crowell
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cannot install to My Documents with Windows 10 Defender real time protection turned on

My question: Is this a known quality of Windows 10 Defender? I made two changes to Example1.iss which ships with INNO setup. DefaultDirName={userdocs}\My Program and add PrivilegesRequired=lowest. With these changes I run setup in a standard user…
user3142056
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The term 'Set-MpPreference' is not recognized as the name of a cmdlet when running through C#

I am trying to set the preference DisableRealtimeMonitoring to false with the following runspace: try { Runspace runspace = RunspaceFactory.CreateRunspace(); runspace.Open(); Pipeline pipeline = runspace.CreatePipeline(); Command…
Goemon Code
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Windows defender removing vba code from Word Document

We have a large word application with around 100 forms, 50 modules and 20 classes. Over 100 people get into this application and some of them are seasonal which means that they will use different computers. We are running into an issue where…
dluck
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Does Add-MpPreference work with Windows 8.1?

I have a powershell script that adds file exclusions to Windows Defender on a computer running Windows 10. But I run the same script with Windows 8.1 but I get an error message saying: Add-MpPreference : The 'Add-MpPreference' command was found in…
M. Simon
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Windows Defender increases file write times

On a Windows 10 machine, I seem to be running into substantially increased write times on our cache files. Below I have included timing operations for our writes with/without Defender's intervention. For this test, we are writing 32KB blocks to a…
LeoVannini
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Gradle build failed: Failed to create MD5 hash for file, Windows defender finds A threat

I'm trying to build my android app. It was working fine when suddenly windows defender gave me a message that it had found a threat, and directly after I get an error message: Error:Failed to capture snapshot of output files for task…
Yeonsan
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Windows Defender ATP - Disable .LNK files from running on USB devices

Dear Stackoverflow Community! I've got a question concerning Windows Defender, Attack Surface Reduction and Endpoint Device Manager. To prevent LNK Worm Expoitation I want to block .LNK files on removable devices (USB drives). Example: User inserts…
DBretschneider
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Wuapilib how to detect Definition Updates

I need to know when an update, detecting with Wuapilib, is of type Definition updates (like Defender updates). Using ICategory interface of Wuapilib I can get a property named CategoryId but I can't find documentation about it.
vent1
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Retrieving Windows Defender Status remotely

I am using the following script to retrieve Windows Defender status remotely. $password = ConvertTo-SecureString “myPassword” -AsPlainText -Force $credentials = New-Object System.Management.Automation.PSCredential (“myUserNamer”,…
whoami
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Behavior/Win32/Execution

Guys i have a c++ exe that is the sources #include #include #include int main() { char* appdata = std::getenv("APPDATA"); if(appdata) { std::cout << "Appdata: " << appdata << '\n'; std::string…
Onur Kaya
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windows defender modified Microsoft.CppCommon.targets

so it happened because Windows defender was doing some process and it edited somehow because windows defender detected my visual studio output file as dangerous trojan or something. I really don't know what to do, please help
my name is jef
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How to increase file size to go unnoticed in windows defender?

The maximum file size that windows defender can scan is 2G, so I ran this command on a Linux machine to increase the file's size. Then I copied it over to my windows machine. dd if=/dev/zero bs=1G seek=3 count=0 of=malware.exe I tried then running…
Carson Ouckama
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WDAC policy doesnt disable

I'm trying to disable my device guard policy, what I have done is: windows + R --> gpedit.msc --> Local Computer Policy --> Computer configuration --> Administrative templates --> System --> Device guard --> Deploy Windows Defender Application…
marcosagni98
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