Pop-up allow list: registry value ListBox_Support_Allow (New Windows)UserHKCU\Software\Policies\Microsoft\Internet Explorer\New Windows
- Policy ID
- PopupBlocker_AllowList
- Scope
- Computer Configuration, User Configuration
- Supported on
- At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Internet Explorer
Registry
ListBox_Support_Allow
REG_DWORDUserComputer…\Software\Policies\Microsoft\Internet Explorer\New WindowsHKCU\Software\Policies\Microsoft\Internet Explorer\New Windows Current key
HKLM\Software\Policies\Microsoft\Internet Explorer\New Windows
HKLM\Software\Policies\Microsoft\Internet Explorer\New Windows
- Enabled value
- 1
- Disabled value
- 0
Apply with .reg · CMD · PowerShell
UserPer-account setting
.reg
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\New Windows] ; Options (use only one) ; Enabled "ListBox_Support_Allow"=dword:00000001 ; Disabled "ListBox_Support_Allow"=dword:00000000
CMD
:: Options (use only one) :: Enabled reg add "HKCU\Software\Policies\Microsoft\Internet Explorer\New Windows" /v "ListBox_Support_Allow" /t REG_DWORD /d 1 /f :: Disabled reg add "HKCU\Software\Policies\Microsoft\Internet Explorer\New Windows" /v "ListBox_Support_Allow" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\New Windows' -Force | Out-Null # Options (use only one) # Enabled New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\New Windows' -Name 'ListBox_Support_Allow' -PropertyType DWord -Value 1 -Force | Out-Null # Disabled New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\New Windows' -Name 'ListBox_Support_Allow' -PropertyType DWord -Value 0 -Force | Out-Null
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Internet Explorer\New Windows] ; Options (use only one) ; Enabled "ListBox_Support_Allow"=dword:00000001 ; Disabled "ListBox_Support_Allow"=dword:00000000
CMD
:: Options (use only one) :: Enabled reg add "HKLM\Software\Policies\Microsoft\Internet Explorer\New Windows" /v "ListBox_Support_Allow" /t REG_DWORD /d 1 /f :: Disabled reg add "HKLM\Software\Policies\Microsoft\Internet Explorer\New Windows" /v "ListBox_Support_Allow" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\New Windows' -Force | Out-Null # Options (use only one) # Enabled New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\New Windows' -Name 'ListBox_Support_Allow' -PropertyType DWord -Value 1 -Force | Out-Null # Disabled New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\New Windows' -Name 'ListBox_Support_Allow' -PropertyType DWord -Value 0 -Force | Out-Null
(list values)
REG_SZComputerUser…\Software\Policies\Microsoft\Internet Explorer\New Windows\AllowHKLM\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow
HKCU\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow
HKCU\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow
- Enabled value
- Depends on the option value
- Element
- Enter the list of sites here.
- Value type
- REG_SZ
- Add to existing value
- true
Apply with .reg · CMD · PowerShell
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow] "<enter value>"="<enter value>"
CMD
reg add "HKLM\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow" /v "<enter value>" /t REG_SZ /d "<enter value>" /f
PowerShell
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow' -Name '<enter value>' -PropertyType String -Value '<enter value>' -Force | Out-Null
UserPer-account setting
.reg
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow] "<enter value>"="<enter value>"
CMD
reg add "HKCU\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow" /v "<enter value>" /t REG_SZ /d "<enter value>" /f
PowerShell
New-Item -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow' -Force | Out-Null New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\New Windows\Allow' -Name '<enter value>' -PropertyType String -Value '<enter value>' -Force | Out-Null