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I want to change the color of my logon screen picture box - possibly along with other interface elements - in Windows 7.
The image I'm talking about is the glossy bluish box surrounding the selected user's profile picture, such as the one when you lock the screen and get a password prompt.

I would like to open the files in some image editor, convert them to grayscale to fit my logon background color and overwrite the old ones. Practically all I want to do is change the color, but there is no built-in way to do it (that I know of) and I guess it needs some file editing.
I realize there's an option to choose between 3 different colors for the "Switch User" button - unfortunately it doesn't change the picture box and password field arrow colors.

Q: Where might the image files be located, and how to bypass their protection (if applicable) so they're available for editing?

My system is Windows 7 Ultimate SP1 (64-bit), build 7601.

1 Answer 1

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Custom 7 Authui.dll !

enter image description here

Additional Authui.dll resource info:

Windows 7 Logon Editing Guide

Custom Authui.dll sample:

Windows 7 Logon Screen Glass 32 Bit and 64 Bit

enter image description here

Edit logon GUI:

Logon WorkShop R2 (FreeWare)

Logon Workshop, Customize The Windows 7 Logon Screen.

enter image description here

Background Change:

GUI: Windows 7 Logon Background Changer

Windows 7 Logon Background Changer

Command-line:

REG ADD "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background" /v OEMBackground /t REG_DWORD /d 1 /f
md %windir%\System32\oobe\info\backgrounds\

Copy JPG file with size less than 256 kb in %windir%\System32\oobe\info\backgrounds folder and rename it to backgroundDefault.jpg

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    Read carefully, he wants to change the colour of the box around the user icon, not the logon wallpaper.
    – Karan
    Jul 9, 2013 at 19:19
  • @Karan Thank you, my epic inattention, works flawlessly)
    – STTR
    Jul 9, 2013 at 19:29
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    Great, the update seems to address my needs perfectly, it will be even easier if I only want to apply a color adjustment to the box. I will try this tomorrow, right now I don't have the time. Also if you could edit your answer to remove the unnecessary "change background" part, I'll be glad to accept it. I'm sure people can use simple programs like TweakLogon to change their background image, really, there's a ton of these questions on the web. I'd prefer the answer to only address editing the UI elements, as I couldn't find the question anywhere and answer may prove helpful for someone else.
    – rld.
    Jul 9, 2013 at 20:48
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    @STTR You're right, after all I mentioned "other elements" I might want to change. It's perfect now with the Authui.dll tut at the top :) Tomorrow I will try to confirm if the tutorial works and immediately set your answer as "Accepted" if it does. Thank you for your time and effort!
    – rld.
    Jul 9, 2013 at 21:00
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    @SSTR You missed an image alt in the first image (picture guide) and the Logon WorkShop R2 (FreeWare) link points to a Softpedia download page, which immediately starts downloading a file. You might want to change it to point to the description page on Softpedia, users probably don't want to download the installer before they read about the software.
    – rld.
    Jul 9, 2013 at 21:35

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