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[BUG] Installer option /noUpdater does not remove update components when Notepad++ is already installed #17287

@davidtrevor23

Description

@davidtrevor23

Is there an existing issue for this?

  • I have searched the existing issues

Is the issue reproducible in Notepad++ without plugin?

  • I have tried Notepad++ without plugin

Is the issue reproducible in portable version of Notepad++?

  • I have tried portable version of Notepad++

Does the issue affect SciTE?

  • I have tried SciTE

Description of the Issue

The manual describes the following behavior for the /noUpdater parameter:
Disables the N++ inherent automatic updates (it does not install the WinGUP & PluginsAdmin updating components).

However when a previous version of Notepad++ is already installed, updating to a newer version with the /noUpdater parameter does not remove the WinGUP & PluginsAdmin components.

Steps To Reproduce

  1. npp.8.8.5.Installer.x64.exe /S /closeRunningNpp
  2. npp.8.8.9.Installer.x64.exe /S /noUpdater /closeRunningNpp

Current Behavior

After updating Notepad++ with the /noUpdater parameter, the WinGUP & PluginsAdmin will still be present.

Expected Behavior

After updating Notepad++ with the /noUpdater parameter, the WinGUP & PluginsAdmin should be removed.

Debug Information

Notepad++ v8.8.9   (64-bit)
Build time: Dec  8 2025 - 00:04:32
Scintilla/Lexilla included: 5.5.8/5.4.6
Boost Regex included: 1_85
Path: C:\Program Files\Notepad++\notepad++.exe
Command Line: 
Admin mode: OFF
Local Conf mode: OFF
Cloud Config: OFF
Periodic Backup: ON
Placeholders: OFF
Scintilla Rendering Mode: SC_TECHNOLOGY_DEFAULT (0)
Multi-instance Mode: monoInst
asNotepad: OFF
File Status Auto-Detection: cdEnabledNew (for current file/tab only)
Dark Mode: OFF
Display Info:
    primary monitor: 2254x1308, scaling 100%
    visible monitors count: 1
    installed Display Class adapters: 
        0000: Description - VMware SVGA 3D
        0000: DriverVersion - 9.17.4.1
        0001: Description - Microsoft Remote Display Adapter
        0001: DriverVersion - 10.0.20348.3451
        0002: Description - Microsoft Remote Display Adapter
        0002: DriverVersion - 10.0.20348.3451
        0003: Description - Microsoft Remote Display Adapter
        0003: DriverVersion - 10.0.20348.3451
    - warning, search has been limited to maximum number of adapter records: 4
OS Name: Windows Server 2022 Standard (64-bit)
OS Version: 21H2
OS Build: 20348.4294
Current ANSI codepage: 1252
Plugins: 
    mimeTools (3.1)
    NppConverter (4.7)
    NppExport (0.4)

Anything else?

No response

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