Don't run specified Windows applications: registry value DisallowApps (DisallowRun)UserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun

Policy ID: DisallowApps
Scope: User Configuration
Supported on: At least Windows 2000
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System

Registry

DisallowRun

-User

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

(list values)

REG_SZUser

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun Current key

Enabled value: Depends on the option value
Element: List of disallowed applications
Value type: REG_SZ
Value name prefix: -

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun]

; Add one value per list entry, increasing the number
"1"="<enter value>"
"2"="<enter value>"

CMD

:: Add one value per list entry, increasing the number

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun" /v "1" /t REG_SZ /d "<enter value>" /f
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun" /v "2" /t REG_SZ /d "<enter value>" /f

PowerShell

# Add one value per list entry, increasing the number

New-Item -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun' -Force | Out-Null
New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun' -Name '1' -PropertyType String -Value '<enter value>' -Force | Out-Null
New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun' -Name '2' -PropertyType String -Value '<enter value>' -Force | Out-Null