How to disable Windows Defender

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Miguel Moro Vallina
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  • Disattivare Windows Defender su Windows 7 and Vista
  • Disable Windows Defender with Windows 10

    It was used Windows 10 and you want disable and Windows Defender, know that you can proceed in various ways. Based on your needs, you can choose whether to disable the antivirus temporarily, whether to add only some elements to its exceptions (in order to exclude them from the scan) or whether to disable it completely. Here, in detail, are all the steps you need to take.


    Temporarily disable Windows Defender


    To disable Windows Defender temporarily, using the standard function provided by the program, click on the button Home Windows (the flag icon located in the lower left corner of the screen) and select theicona dell'ingranaggio that appears on the left side of the screen.

    In the window that opens, click on the icon Update and security, select by the voice Windows security from the left sidebar and the entry Virus and threat protection from the center of the page that is displayed on the screen.

    At this point, go on Virus & threat protection settings> Manage settingssposta su Disabled the levers relating to the functions Real-time protection e Cloud-Provided Protection and confirm by pressing the button Yes that appears on the screen. A notification will also appear that virus and malware protection has been disabled.

    The protection, as already mentioned, will restart automatically after a few minutes or in the event of a system restart. In case of sudden second thoughts, however, you can "manually" reactivate the protection by returning to the menu Virus and threat protection settings, moving up On the levers relating to the functions Real-time protection e Cloud-Provided Protection and answering Yes warnings that appear on the screen.



    I will definitely discuss Windows Defender

    If you want disable Windows Defender permanently, you need to install another antivirus software: Windows will automatically disable the protection provided by Defender and keep active only that of the alternative antivirus installed on the PC (as keeping two antiviruses active on the system is harmful and slows down the general performance of the computer). If you don't know which alternative antivirus to install, take a "spin" on my tutorial dedicated to the best free antivirus for Windows 10.

    How do you say? Would you like to disable Defender without installing other antivirus? This is a strongly discouraged procedure (you would expose the system to various types of cyber threats) and in fact Microsoft blocked this possibility starting from August 2020, with the release of Windows Defender 4.18.2007.8. It is possible, however, to put into practice a couple of "tricks" that (at least at the time of writing), seem to work.

    • Defend Control - by downloading this little free utility from this page, running it and clicking on the button Disable Windows Defender you can disable Defender permanently. But first you have to disable the Tamper protection Windows 10 from the menu Virus and threat protection> Manage settings di Windows security.
    • Group Policy Editor - on Windows 10 edition For ed Company you can disable Windows Defender via theGroup Policy Editor, which can be called up by pressing the key combination Win + R and giving the command gpedit.msc in the box that opens. In the next window, use the left menu to select the path Local Computer Policy> Computer Configuration> Administrative Templates> Windows Components> Microsoft Defender Antivirus, double-click the key Disable Microsoft Defender Antivirus, check the box Activated I awarded her OK. Also in this case, the deactivation of the Tamper protection from the menu Virus and threat protection> Manage settings di Windows security.

    Le previous versions of Defender they could also be permanently deactivated via the registry. That's how. To access the Registry Editor, you need to press the key combination Win + R on the PC keyboard, in order to call up the panel Esegui ..., and you have to give the command regedit (followed by pressing the key Submit and by pressing the button Yes that appears on the screen).



    Now, using the side navigation menu of theRegistry Editor, go to the path HKEY_LOCAL_MACHINESOFTWAREpoliciesMicrosoftWindows Defender, right click on an “empty” spot in the right panel of the Editor and select the items New> DWORD (32-bit) valuegive the menu check if you press.

    At this point, rename the newly created key to DisableAntiSpyware, double click on it, assign it the value 1from Submit and reboot the system. If everything went well, going to the menu Settings> Update & Security> Windows Security> Virus & threat protection, Windows Defender will be disabled or inaccessible because "Virus and threat protection is managed by your organization".

    If you have second thoughts, to activate Windows Defender again, open the Registry Editor and delete the key DisableAntiSpyware you created earlier, by right clicking on it and selecting the item Delete from the menu that appears. The changes will take effect only after rebooting the system and clicking the button Restart in the Defender management panel.

    Disable Windows Defender for only some files

    If you don't want to completely disable Windows Defender, but want the software not to scan some specific files, you can take advantage of the system's exception system.

    Therefore, access the Defender settings as I explained to you before, go to Virus & threat protection> Virus & threat protection settings> Manage settings and click on the entry Add or remove exclusions which is at the bottom of the page that opens.


    Finally, press the button [+] Add an exclusion and choose whether to add a fillet, a folder, an file type specific or a process. In the first two cases, use the File Explorer navigation panel to select the file or folder to add to the exceptions. In the case of the "file type", instead, type the extension to add to the exceptions and click on the button Add. In the case of processes, type the name of the process to exclude from the scan and press the button Add.


    If you have second thoughts, to remove an item from the exceptions, go back to the menu Virus & threat protection> Virus & threat protection settings of Defender, click on the name of the exception you added earlier and click on the button Remove which appears below. Confirm by replying Yes to the warning that appears on the screen.

    Disattivare Windows Defender su Windows 7 and Vista

    It was used Windows 7 o Windows Vista and you want to know how to disable Security Essentials (the version of Defender for older editions of the Microsoft operating system), all you have to do is click on the button Home Windows, search Security Essentials in the menu search field that appears on the screen and select the first search result.

    At this point, recati nella scheda Settings, select the voice Real-time protection from the left sidebar, uncheck the item Enable real-time protection and save the changes by clicking on the button first Save Changes (bottom right) and then up Yes.

    If you change your mind, all you have to do is go back to the tab Settings of Security Essentials, select the item Real-time protection from the left sidebar, put the check mark on the item again Enable real-time protection and click on first Save Changes and then Yes.

    If you want to turn off the solo Defender (the limited antispyware software included “standard” in Windows 7), click the button Home, search for Windows Defenderin the quick search bar and click on the item Windows Defender that appears in the left column of the Start menu.

    In the window that opens, click on the tab Instruments, Then options and select the item CEO in the left sidebar. At this point, remove the check mark from the item Use the program click her cousin Save and then Yes to save the changes and disable Windows Defender.

    If you still use Windows XP (bad! This is an outdated and unsafe operating system!), you have two options available: disable Windows Defender real-time protection, as done on Windows 7 and Vista, or uninstall it completely by removing it from your computer. In the first case, all you have to do is access the main screen of Windows Defender by double clicking on its icon in the notification area (next to the Windows clock), go to Tools> Options and remove the check mark from the item Usa Windows Defender (located at the bottom).

    To completely uninstall the program, click on the button Home and go to the Control Panel. In the window that opens, click on Application installation, select Windows Defender from the list of programs on your PC and click the button first Remove and then Yes to start uninstalling.

    How to disable Windows Defender


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