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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
4
votes
2 answers

Why Microsoft Defender SmartScreen recognize my Windows Form app as not safe?

I'm developing a Windows Forms app in C# using VS 2019. I've created a website with the download of the .exe file of my windows form app, but when I download it and I run it Microsoft Defender SmartScreen recognize the app as not safe. Is there a…
Dev
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5 answers

Why is Windows Defender scanning my code?

I am compiling C++ code using Visual Studio 2019. The code ranges from simple projects to learn C++ features to game dev. But no matter the scope of the projects I get this message: Security Scan Required Your administrator requires a security scan…
AbdelRahman Mahmoud
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4
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0 answers

Why does Windows Defender detect compiled C executables as viruses?

I'm using Visual Studio 2019 (Community Edition). I've never had an issue when compiling C++ code. I simply get the final executable and I'm able to run it without a problem. Recently I've decided to learn C and this is the C program that I'm…
Hyden
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4
votes
2 answers

Required firewall exceptions for accessing Node apps on a LAN

I would like a Express REST API to be accessible over a LAN. From what I understand I will need to make some changes in my firewall to allow this access. I managed to solve this checking the second and last mention of Node.js: Server-side Javascript…
SomeDutchGuy
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0 answers

Determine why a program is blocked by Windows Defender SmartScreen

I have installed the Komodo IDE and now I like to activate my license by running file Komodo-IDE-8-Windows-SC92********.exe but it is blocked by my Windows Defender: Windows protected your PC Windows Defender SmartScreen prevented an unrecognized…
Wernfried Domscheit
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0 answers

Windows Defender reports my application as malware

It's a simple Windows Forms application using the Google Cloud SDK. I have properly signed the application using a purchased SHA256 Comodo CSC. My solution has a single EXE file along with dependencies (DLL files and images) that is embedded inside…
xoail
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5 answers

FIleSystemWatcher IOException

I have a Windows Service that monitors a folder for new files and runs a process. However, the service crashes every time I drop files into the monitored folder. Here is the Exception I am receiving: Application: Framework Version: v4.0.30319…
Matt
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3 answers

How to redirect connections by an exe file to a specific external ip address

I have an exe program that connects randomly to one of the 4 addresses 188.39.21.82...83...84...85 out of which only 82 works Currently I blocked the remaining addresses using Windows 10 Firewall outbound rules by simply blocking them My problem is…
PirateApp
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3
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1 answer

(How) Can I run Windows Defender in a docker container? Getting errors

I'm experimenting with some options for an endpoint pen-testing lab for a Windows environment, and Docker seems like a pretty light-weight and easily configurable option. However, upon testing Windows Defender within this setup I'm faced with errors…
J.Todd
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3
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1 answer

Read timeout connecting to server on Docker container

I'm trying to connect to a DB/2 container (image: ibmcom/db2) but it gives me a read timeout error. The host OS is Windows 10. I can see the port (50000) in the Windows PowerShell prompt, but it gives me a read timeout. I've added an inbound Windows…
Woodsman
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0 answers

Windows Defender constantly blocks PowerShell Import-Module

I have had the below error when trying to load PowerShell modules (my own, personally written) for sometime. I used to be able to completely get rid of it by adding Windows Defender exclusions, but now it is fixed for some weeks (but no change to…
YorSubs
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3
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1 answer

How to make a code signed certificate for an exe program?

I am in a very tricky situation and I will attempt to explain it as well as I can. I will write my problem in concise numbered steps and at the end, I will boil this down to one or a few clear questions. I wrote a program in python. (no other…
Harman Punchi
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3
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2 answers

Microsoft Defender Smart Screen Preventing my MSI to run

I am working on a windows application. After creating the installer file i.e. MSI, it gets installed and works perfectly however, once i upload it on cloud server and try downloading it from there and install it, i get the warning message saying…
Devesh Tiwari
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0 answers

Compiling with MinGW gcc Makes windows defender suspect of virus

This never happened to me before, but today I compiled a program with MinGW gcc and windows defender thought that the executable was a torjan, more specifically…
Afonso Rafael
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3
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1 answer

Why is Windows Defender delaying the start of our piece of software?

I'm trying to help the SuperCollider community to try and understand how we can prevent Windows Defender from delaying the execution of one of the executable, on a up-to-date Windows 10. The original github issue can be found on github. Here is the…
geoffroy
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