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Windows 10 Pro: Defender Blocks Apps Despite Disabling Options & gpedit.msc Solutions

andrzejq1 7533 8
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  • #1 17354180
    andrzejq1
    Level 2  
    Hello. I would like to turn to you with help. I have a problem with win10 defender. In short: I can't start any application because the message "Your organization has used Windows Defender Application Control to block this application" pops up. I've already turned off all options in Defender - it doesn't work. I also disabled it via gpedit.msc, nothing helped either. I look forward to your ideas. Thank you very much in advance.

    I have PRO version.
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  • #3 17354281
    andrzejq1
    Level 2  
    No, this is not a company computer I can't run any application except system ones like microsoft edge.
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  • #4 17354325
    Kolobos
    IT specialist
    Check in safe mode.
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  • #6 17355359
    Ramiro Roberto
    Level 14  
    Enter the BIOS and look for the option SECURE BOOT and then turn it off.

    Or:

    1. Turn off your computer.

    2. Turn on the computer and immediately start pressing the ESC key about once every second until the START MENU pops up.

    3. Press the F10 key to enter the BIOS settings. As for the F10 key itself, it can be different - in HP and Compaq it is F10, but in other brands it can be DEL, F2 or F8. The start screen should indicate which key to press to enter the BIOS settings page.

    4. Find the option Secure Boot and set it to Disabled .

    Windows 10 Pro: Defender Blocks Apps Despite Disabling Options & gpedit.msc Solutions

    5. Save changes to the BIOS and exit.

    This should solve the problem.
  • #7 17355367
    Kolobos
    IT specialist
    @Ramiro Roberto What does Secure Boot have in common with Application Blocking Defender?
  • #8 17355386
    Matuzalem
    Level 43  
    Or maybe it could be sorted out:
    What is the Windows version?
    Under what circumstances did the symptom occur for the first time?
    So that it does not turn out that "this is how it should be", e.g. due to some "S".
  • #9 17355418
    Ramiro Roberto
    Level 14  
    Do as I wrote with SECURE BOOT and you will solve a problem that is well known in Windows 10.

Topic summary

The user is experiencing issues with Windows 10 Pro, where Windows Defender is blocking applications despite attempts to disable it through the Defender settings and Group Policy Editor (gpedit.msc). The user confirmed that the computer is not a company device and can only run system applications like Microsoft Edge. Suggestions from the forum include checking the system in safe mode, disabling Secure Boot in the BIOS settings, and gathering more information about the Windows version and circumstances of the issue. Some responses question the relevance of Secure Boot to the application blocking problem.
Summary generated by the language model.
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