Disabling ”Open File – Security Warning dialog” in Vista (and XP SP2 onwards)

After little bit of googling I found how to remove that annoying security warning dialog (see image). This should also work in Windows XP. Here’s how to define file types ’less risky’.

  1. Run Local group policy editor by entering following command in the start menu ”gpedit.msc”
  2. Open User configuration/Administrative Templates/Windows Components/Attachment Manager and double click on the setting called ”Inclusion list for moderate risk file types”.
  3. Click ’Enabled’ and write file types you want to run without the open file security confirmation. I have ”.exe;.msi” in the text box (see image).

You could also use setting called ”Inclusion list for low risk file types”. Remember that changing either one of the settings is weakening your security! Open file security warning prevents accidental opening of email attachments, for example.

Edit: To remove confirmation dialog only from files that are opened from network drives you should consider other options (adding UNC paths to trusted sites, for example).


3 thoughts on “Disabling ”Open File – Security Warning dialog” in Vista (and XP SP2 onwards)

  1. RaiulBaztepo sanoo:

    Very Interesting post! Thank you for such interesting resource!
    PS: Sorry for my bad english, I’v just started to learn this language 😉
    See you!
    Your, Raiul Baztepo

  2. ahanix sanoo:

    Thank you, I hated when I would think Firefox crashed because it’s waiting for the Publisher information to arrive from a particularly slow server just to say ”Hey you’re trying to run an application”

  3. Servicecat sanoo:

    9-11-09 with the most recent security updates, the ”Attachment Manager” does not exist where Sami Said it is,

    That is at least true for vista ultimate aero 64bit

    I have done a entire computer search for ”attachment manager”, It is no longer there.


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