Windows 10: Windows Defender deleting my own applications

Discus and support Windows Defender deleting my own applications in AntiVirus, Firewalls and System Security to solve the problem; Dear Community and Microsoft, So I'm a software engineer and I was working on one of my projects in Python on Windows it is a Windows application so... Discussion in 'AntiVirus, Firewalls and System Security' started by Anton_Pernisch, Jan 18, 2021.

  1. Windows Defender deleting my own applications


    Dear Community and Microsoft,


    So I'm a software engineer and I was working on one of my projects in Python on Windows it is a Windows application so whatever and today, I have turned on my Windows 10 updated computer, fired up Visual Studio Code, applied some hotfixes and then tried to compile it to .exe via pyinstaller library to prepare it for distribution. But immediately after I've entered pyinstaller command in cmd, a super useful and effective anti-virus named Windows Defender decided to erase these things for some reason:

    • All .exe files on my computer that I myself wrote and compiled meaning all distribution files for my apps on my local computer
    • Bootloader .exe from pyinstaller library meaning I no longer can compile my next .py files to .exe


    So now, I'm stuck with all of my own .exe files deleted including small scripts for my servers' automation as well as distribution .exe files for all of my apps - doesn't include installers, but at this point, I wouldn't be even surprised...without any chance of me to compile it again, since Windows Defender keeps deleting pyinstaller's bootloader every time I try to run it after a fresh installation.


    I don't want to set up some mumbo jumbo exceptions for literally ALL of my programs and bootloader plus I expect this behavior on clients using my apps as well, and as a developer, I'm NOT happy about it, let alone deleting it on my local machine. For the love of God, I literally wrote code, if there will be some tRoJaN I would know about it!


    I want to point out that my friend that is working with Python .exe compiled files and pyinstaller library has this problem too. This is not a pyinstaller's fault, it's a Windows Defender fault since Windows Defender is deleting files that absolutely have nothing to do with viruses. But I guess that's why it is default and free anti-virus...


    I want Microsoft to fix this as soon as possible because THEY have taken from me and maybe from some of you guys as well? ability to create programs that at the end of the day will be used on their OS and will add functionality and reason why to use Windows... I'm literally paying around 120€ for an OS that is automatically destroying my own .exe files. For now, I have lost another reason why would I use Windows...


    Thanks Defender!

    :)
     
    Anton_Pernisch, Jan 18, 2021
    #1

  2. defender scans

    Hi Ian,

    Thanks for posting your query on Microsoft Community.

    This issue might occur if you have set any task scheduler for Windows Defender.

    I suggest you to delete the task for Windows defender and check if it helps.

    Follow the below steps:


    • Search and open Schedule tasks.

    • In the left-hand menu, open the Task Scheduler Library, then select
      Microsoft >Windows >Windows Defender.

    • Double-click Windows Defender Scheduled Scan.

    • Select the Triggers panel, then select Delete.

    Hope it helps, reply to us with the status of your issue. We will be happy to assist you.
     
    Santosh_Rai, Jan 18, 2021
    #2
  3. Nikhar_K Win User
    BlueSound OS conflict with Windows Defender

    Hi,



    Thank you for writing to Microsoft Community Forums.



    I understand that Windows Defender blocks BluOS app. It is very unusual that Windows Defender blocks the app. However, I would suggest you to try adding the app to the Exclusion list of Windows Defender and see if that helps.



    To add the application to the Exclusion list, please refer the steps mentioned in the article

    Add an exclusion to Windows Security
    .



    Let us know how it goes.



    Regards,

    Nikhar Khare

    Microsoft Community - Moderator
     
    Nikhar_K, Jan 18, 2021
    #3
  4. Windows Defender deleting my own applications

    Can't launch any applications

    Hi,

    This error message will show if the application or program that you are trying to open was been blocked by Windows Defender SmartScreen. Having said that, we suggest that you disable Windows Defender SmartScreen by following these steps:

    • Click on Start.
    • Type Windows Defender Security Center.
    • Click on App & browser control.
    • Click on Off in the following options:
      • Check apps and files.
      • SmartScreen for Microsoft Edge.
      • SmartScreen for Windows Store apps.
    • SmartScreen is now completely disabled. If you'd like to still receive a warning when a potentially malicious file or program is detected, you can choose Warn in each SmartScreen option.

    Let us know if the steps above helped you to resolve the issue.
     
    Janeane Cru, Jan 18, 2021
    #4
Thema:

Windows Defender deleting my own applications

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