Disable Internet Explorer 11 as a standalone browser: registry value NotifyDisableIEOptionsUserHKCU\Software\Policies\Microsoft\Internet Explorer\Main

Policy ID: DisableInternetExplorerApp
Scope: Computer Configuration, User Configuration
Supported on: At least Internet Explorer 11.0 on Windows 10
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Internet Explorer

Registry

NotifyDisableIEOptions

REG_DWORDUserComputer

…\Software\Policies\Microsoft\Internet Explorer\MainHKCU\Software\Policies\Microsoft\Internet Explorer\Main Current key
HKLM\Software\Policies\Microsoft\Internet Explorer\Main

Enabled value: Depends on the option value
Element: Notify that Internet Explorer 11 browser is disabled

Options
Item	Stored value
Never	0
Always	1
Once per user	2

Apply with .reg · CMD · PowerShell

UserPer-account setting

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Main]

; Options (use only one)
; Never
"NotifyDisableIEOptions"=dword:00000000
; Always
"NotifyDisableIEOptions"=dword:00000001
; Once per user
"NotifyDisableIEOptions"=dword:00000002

CMD

:: Options (use only one)

:: Never
reg add "HKCU\Software\Policies\Microsoft\Internet Explorer\Main" /v "NotifyDisableIEOptions" /t REG_DWORD /d 0 /f
:: Always
reg add "HKCU\Software\Policies\Microsoft\Internet Explorer\Main" /v "NotifyDisableIEOptions" /t REG_DWORD /d 1 /f
:: Once per user
reg add "HKCU\Software\Policies\Microsoft\Internet Explorer\Main" /v "NotifyDisableIEOptions" /t REG_DWORD /d 2 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\Main' -Force | Out-Null

# Options (use only one)
# Never
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\Main' -Name 'NotifyDisableIEOptions' -PropertyType DWord -Value 0 -Force | Out-Null
# Always
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\Main' -Name 'NotifyDisableIEOptions' -PropertyType DWord -Value 1 -Force | Out-Null
# Once per user
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\Main' -Name 'NotifyDisableIEOptions' -PropertyType DWord -Value 2 -Force | Out-Null

ComputerMachine-wide setting

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Internet Explorer\Main]

; Options (use only one)
; Never
"NotifyDisableIEOptions"=dword:00000000
; Always
"NotifyDisableIEOptions"=dword:00000001
; Once per user
"NotifyDisableIEOptions"=dword:00000002

CMD

:: Options (use only one)

:: Never
reg add "HKLM\Software\Policies\Microsoft\Internet Explorer\Main" /v "NotifyDisableIEOptions" /t REG_DWORD /d 0 /f
:: Always
reg add "HKLM\Software\Policies\Microsoft\Internet Explorer\Main" /v "NotifyDisableIEOptions" /t REG_DWORD /d 1 /f
:: Once per user
reg add "HKLM\Software\Policies\Microsoft\Internet Explorer\Main" /v "NotifyDisableIEOptions" /t REG_DWORD /d 2 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\Main' -Force | Out-Null

# Options (use only one)
# Never
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\Main' -Name 'NotifyDisableIEOptions' -PropertyType DWord -Value 0 -Force | Out-Null
# Always
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\Main' -Name 'NotifyDisableIEOptions' -PropertyType DWord -Value 1 -Force | Out-Null
# Once per user
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\Main' -Name 'NotifyDisableIEOptions' -PropertyType DWord -Value 2 -Force | Out-Null