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    Unblock File in Windows 10

    Unblock File in Windows 10

    How to Unblock a File in Windows 10
    Published by
    2015-04-11
    Designer Media Ltd

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    Brink's Avatar
    Administrator

    Posts: 17,444

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    How to Unblock a File in Windows 10

    information   Information
    The Open File - Security Warning prompt is a security measure that will ask for your permission before opening a file on your PC that came from an unknown source such as the internet or another PC.

    Windows SmartScreen helps keep your PC safer by warning you before running unrecognized apps and files downloaded from the internet.

    Open File - Security Warning and Windows SmartScreen automatically blocks these types of apps and files until you unblock them.

    This tutorial will show you different ways on how to unblock files that are blocked by Open File - Security Warning and Windows SmartScreen in Windows 10.

    warning   Warning
    Be sure to only unblock files that you trust to avoid compromising the security of your PC.


    CONTENTS:






    Unblock File in Windows 10 OPTION ONE Unblock File in Windows 10
    Unblock File in Properties

    1. Right click or press and hold on the blocked file, and click/tap on Properties.

    2. Click/tap on the General tab, check the Unblock box at the bottom, and click/tap on OK. (see sceenshot below)
    Note   Note
    If you do not see a Unblock checkbox, then the file is not blocked.


    Name:  Unblock_File_in_Properties-1.png
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    3. If prompted, click/tap on Continue, and click/tap on click/tap on Yes (if administrator) or enter password of administrator (if standard user) for UAC prompt. (see screenshot below)
    Note   Note
    You will only be prompted if the file is in a location that your user account does not have access rights to by default.


    Name:  Unblock_File_in_Properties-2.png
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    Unblock File in Windows 10 OPTION TWO Unblock File in Windows 10
    Unblock File in Open File - Security Warning

    1. Open or run the blocked file to trigger the Open File - Security Warning prompt.

    2. In the Open File - Security Warning prompt, uncheck the Always ask before opening this file box, and click/tap on the Open or Run button. (see screenshots below)

    Name:  Unblock_file_in_Open_File_Security_Warning.png
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    Name:  Unblock_file_in_Open_File_Security_Warning-2.png
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    3. If prompted by UAC, click/tap on Yes (if administrator) or enter password of administrator (if standard user).
    Note   Note
    You will only be prompted if the file is in a location that your user account does not have access rights to by default.






    Unblock File in Windows 10 OPTION THREE Unblock File in Windows 10
    Unblock App or File in Windows SmartScreen

    1. Open or run the blocked app or file to trigger the Windows SmartScreen.

    2. Click/tap on the More info link. (see screenshot below)

    Click image for larger version. 

Name:	Windows_SmartScreen-1.png 
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    3. Click/tap on the Run anyway button. (see screenshot below)

    Click image for larger version. 

Name:	Windows_SmartScreen-2.png 
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    Unblock File in Windows 10 OPTION FOUR Unblock File in Windows 10
    Unblock a Single File in PowerShell

    1. Open Windows PowerShell or an elevated Windows PowerShell depending on if your user account has access rights to where the blocked file is located.

    2. In PowerShell, type the command below, and press Enter. (see screenshot below)

    unblock-file -path "full path of blocked file"

    Note   Note
    Substitute full path of blocked file in the command above with the actual full path of the blocked file (with file extension) that you want to unblock.

    For example:

    unblock-file -path "C:\Users\Brink\Desktop\Example.reg"


    Name:  Unblock_File_in_PowerShell.png
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    Unblock File in Windows 10 OPTION FIVE Unblock File in Windows 10
    Unblock All Files in a Folder in PowerShell

    1. Open Windows PowerShell or an elevated Windows PowerShell depending on if your user account has access rights to where the folder containing the blocked file(s) is located.

    2. In PowerShell, type the command you want to use below, and press Enter. (see screenshot below)

    (without confirmation prompt)
    get-childitem "full path of folder" | unblock-file

    OR

    (with confirmation prompt)
    get-childitem "full path of folder" | unblock-file -confirm

    Note   Note
    Substitute full path of folder in the command above with the actual full path of the folder that contains the blocked file(s) you want to unblock.

    For example:

    get-childitem "C:\Users\Brink\Desktop" | unblock-file

    OR

    get-childitem "C:\Users\Brink\Desktop" | unblock-file -confirm


    Click image for larger version. 

Name:	Unblock_All_Files_in_Folder_in_PowerShell.png 
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    Unblock File in Windows 10 OPTION SIX Unblock File in Windows 10
    Unblock Files in a Folder and every Subfolder in PowerShell

    1. Open Windows PowerShell or an elevated Windows PowerShell depending on if your user account has access rights to where the folder containing the blocked file(s) is located.

    2. In PowerShell, type the command you want to use below, and press Enter.

    (without confirmation prompt)
    get-childitem "full path of folder" -recurse | unblock-file

    OR

    (with confirmation prompt)
    get-childitem "full path of folder" -recurse | unblock-file -confirm

    Note   Note
    Substitute full path of folder in the command above with the actual full path of the folder that contains the blocked file(s) you want to unblock.

    For example:

    get-childitem "C:\Users\Brink\Desktop" -recurse | unblock-file

    OR

    get-childitem "C:\Users\Brink\Desktop" -recurse | unblock-file -confirm


    Click image for larger version. 

Name:	Unblock_files_recurse.png 
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    That's it,
    Shawn



  1. Joined : Aug 2015
    Posts : 38
    win 10
       2015-08-04 #1

    Sorry but for option 2 in which way i entre in Windows SmartScreen ??

    Thank
    Hispa
      My System SpecsSystem Spec


  2. Joined : Oct 2013
    Posts : 17,444
    64-bit Windows 10 Pro build 15014
       2015-08-04 #2

    Hello Hispa,

    I think you meant option 3 instead. If so, then it's only if a Windows SmartScreen warning is given when you try to open a blocked file instead of the other options.
      My System SpecsSystem Spec


  3. Joined : Jul 2015
    Posts : 28
    Windows 10
       2015-08-05 #3

    Brink, you never cease to amaze, option one worked for me perfectly, was having some problems with my frequent folders not showing up after a blue screen. Everything is back to normal.

    Thank you.
      My System SpecsSystem Spec


  4. Joined : Oct 2013
    Posts : 17,444
    64-bit Windows 10 Pro build 15014
       2015-08-05 #4

    Glad it could RealPetChicken.
      My System SpecsSystem Spec


  5. Joined : Aug 2015
    Posts : 1
    Win5,7,8,10
       2015-08-12 #5

    And because you could also have the UAC blocked file message....
    Name:  Win8to10 - VMware Workstation_2015-08-13_16-01-13.jpg
Views: 148336
Size:  24.8 KB
    ... which is resolved by the old "activate/use administrator" trick.
    Seems M$ have targeted all Samsung software to be auto-blocked.
      My System SpecsSystem Spec


  6. Joined : Oct 2014
    Trnava
    Posts : 1,717
    Windows Home x64
       2015-08-13 #6

    To disable blocking completely, you can run those via CMD as admin:

    rem 1808 - Disable the warning The Publisher could not be verified
    reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Associations" /v "DefaultFileTypeRisk" /t REG_DWORD /d 1808 /f

    rem Disable Security warning to unblock the downloaded file
    reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments" /v "SaveZoneInformation" /t REG_DWORD /d 1 /f
      My System SpecsSystem Spec


  7. Joined : Aug 2015
    Posts : 2
    Windows 10
       2015-08-20 #7

    HungryGeorge said: View Post
    And because you could also have the UAC blocked file message....
    Name:  Win8to10 - VMware Workstation_2015-08-13_16-01-13.jpg
Views: 148336
Size:  24.8 KB
    ... which is resolved by the old "activate/use administrator" trick.
    Seems M$ have targeted all Samsung software to be auto-blocked.
    Can you tell me this trick, or link to it?
    It's the exact problem I have but I haven been unable to find a solution to unblocking the app in question
    I might be using the wrong keywords to search.
      My System SpecsSystem Spec


  8. Joined : Oct 2013
    Posts : 17,444
    64-bit Windows 10 Pro build 15014
       2015-08-20 #8

    Hello DWoodhouse, and welcome to Ten Forums.

    I believe George is referring to enabling and signing into the built-in Administrator account to workaround it. Just be warned that everything than runs while signed into this account will run elevated. That will be very bad news if malware was allowed to run by mistake.

    Administrator account - Enable or Disable in Windows 10
      My System SpecsSystem Spec


  9. Joined : Aug 2015
    Posts : 2
    Windows 10
       2015-08-20 #9

    Brink said: View Post
    Hello DWoodhouse, and welcome to Ten Forums.

    I believe George is referring to enabling and signing into the built-in Administrator account to workaround it. Just be warned that everything than runs while signed into this account will run elevated. That will be very bad news if malware was allowed to run by mistake.

    Administrator account - Enable or Disable in Windows 10
    Thank you!
    I have tried that and it worked so far that I was able to use the program on there. However, the program in question was an old Windows 7 installed utorrent client, and it remained blocked on the regular administrator account when I switched back to there.
    So I "fixed" it by switching to a new torrent client. Not the prettiest solution, but it worked.
      My System SpecsSystem Spec


 
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