Turn On or Off Dimmed Secure Desktop for UAC Prompt on Windows 10

Whenever you try to open internal apps, the UAC prompt appears up on dimmed secure Desktop asking consent to proceed ahead. In case, you are a guest user, you may have to enter credentials like login id and password to start a program with administrative privileges. This prompt pops up just to prevent the entrance of malicious software on your System.

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By default, it is set to as enabled, however, these settings can be altered with the help of simple workarounds. Here, in this article, we will talk about three ways to turn on or off dimmed secure desktop on Windows 10 devices. They are using UAC settings, Local Security Policy, and registry tweaks.

What is this Dimmed Security Desktop UAC Prompt

This is basically an extra security layer by Windows to safeguard users from accessing internal apps or install infected programs. If you are a member of the Administrators group, you can perform almost all activities on your PC. All you need to do is to tap Y/N, whenever the UAC prompt pops up. In general, this prompt is known as an elevation prompt for the UAC consent prompt.

All other users (if exist) have to enter valid credentials to make a change to internal apps or install new programs. Such users face the UAC credential prompt instead of the one described above.

Note: You must sign in as Administrator to change user account control settings. When turned off, other apps (especially viruses) can interfere with UAC dialog box visual appearance. This is indeed a security risk, therefore move ahead only if you are using a good Antivirus.

Turn On or Off Dimmed Secure Desktop for UAC prompt

Here, we explore three different ways to Enable or Disable Dimmed Secure Desktop for UAC prompt. They are-

  1. Using UAC Settings
  2. Using Local Security Policy
  3. Using Registry Tweaks

1. Using UAC Settings

You can adjust UAC settings in Control Panel to turn on or off a dimmed secure Desktop. Here are the steps-

  • At first, click Start Menu and type control panel, hit best-matched result to let open this App.
  • Here, select User Accounts followed by the Change User Account Control Settings option.

User Account Control Settings

In the next window, there are basically four options available. They are-

  1. Always Notify
  2. Notify me only when apps try to make changes to my computer
  3. Notify me only when apps try to make changes to my computer (don’t dim my desktop)
  4. Never Notify

UAC prompt Secure Desktop

Note: The first two options are there to turn on Secure Desktop whereas the rest two are to turn off this feature.

  • Select as per your choice (enable or disable) then hit OK to save the changes made so far.

2. Using Local Security Policy

In case, the method doesn’t work on your PC (rare cases), you may use Local Security Policy to do the same. Here is the procedure-

  • At first, press Win & R hotkey together to open the run dialog.
  • Here, type secpol.msc in the void thereafter hit Enter to open Local Security Policy.

scipol.msc on Run

  • In case of UAC prompt appears up, tap Yes to allow the access.
  • On the next window, expand Local Policies followed by Security options on the left column.
  • Switch to the right pane and double click on “Account Control: Switch to the secure desktop with prompting for elevation”.

UAC prompt Secure Desktop

  • This will open up a new window (See snapshot), here select Enabled or Disabled as per your choice.

UAC prompt Secure Desktop

At last, tap OK then restart your system so that changes come into effect.

Note: This method will work only on Windows 10 Pro, Education and Enterprise versions. The below section is applicable to all Windows users.

3. Using Registry Tweaks

Windows 10 Home users can turn on or off dimmed Secure desktop for UAC using registry tweaks. Here are the steps to follow-

  • Right-click on Start Menu and choose Run option.
  • In the Run dialog, type regedit then hit Enter to open Registry Editor.
  • If UAC prompt pops up, tap Yes to permit the access.
  • Succeeding after, navigate to the following path-

UAC prompt Secure Desktop

  • On the right pane, locate the entry with the name PromptOnSecureDesktop.

In case, such entry is not present there, you can create one too. All you have to do is to right-click the blank area then select create a 32-bit DWORD.

Once created, put the above name in the value name field and ‘0’ in the Value data to disable the Secure desktop feature. If you want to enable this for UAC, double click on this entry and put ‘1’ instead of ‘0’ in the Value data field.


Here, we explain three different ways to enable or disable the dimmed Secure Desktop feature for the UAC prompt on Windows 10 PC. They are UAC settings, Local Security Policy adjustment and applying registry tweaks. We hope you are now able to apply this to your System as well.