Display Error Notification: registry value ShowUIComputerHKLM\Software\Policies\Microsoft\PCHealth\ErrorReporting

Policy ID: PCH_ShowUI
Scope: Computer Configuration
Supported on: Windows Server 2003 and Windows XP only
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Windows Error Reporting

Registry

ShowUI

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\PCHealth\ErrorReporting Current key

Enabled value: 1
Disabled value: 0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\PCHealth\ErrorReporting]

; Options (use only one)
; Enabled
"ShowUI"=dword:00000001
; Disabled
"ShowUI"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Microsoft\PCHealth\ErrorReporting" /v "ShowUI" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Policies\Microsoft\PCHealth\ErrorReporting" /v "ShowUI" /t REG_DWORD /d 0 /f

PowerShell

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

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\PCHealth\ErrorReporting' -Name 'ShowUI' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\PCHealth\ErrorReporting' -Name 'ShowUI' -PropertyType DWord -Value 0 -Force | Out-Null

DWAllowHeadless

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\PCHealth\ErrorReporting\DW

Enabled value: 0
Disabled value: 1

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\PCHealth\ErrorReporting\DW]

; Options (use only one)
; Enabled
"DWAllowHeadless"=dword:00000000
; Disabled
"DWAllowHeadless"=dword:00000001

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Microsoft\PCHealth\ErrorReporting\DW" /v "DWAllowHeadless" /t REG_DWORD /d 0 /f
:: Disabled
reg add "HKLM\Software\Policies\Microsoft\PCHealth\ErrorReporting\DW" /v "DWAllowHeadless" /t REG_DWORD /d 1 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\PCHealth\ErrorReporting\DW' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\PCHealth\ErrorReporting\DW' -Name 'DWAllowHeadless' -PropertyType DWord -Value 0 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\PCHealth\ErrorReporting\DW' -Name 'DWAllowHeadless' -PropertyType DWord -Value 1 -Force | Out-Null