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    Windows 11 constantly crashing when having NP++ installed

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    • S Offline
      Sevens99
      last edited by

      Hi all,
      I like NP++ very much but I’m a little bit annoyed because it crashes my Windows 11 explorer every time I try to run the CMD, PowerShell or Eventmgr.
      I read about the nppshell.dll issue in some older versions of 2025. But I keep updating NP++. Even with version 8.9.8.1 this issue happens.

      Debug Info:
      Notepad++ v8.9.8.1 (64-bit)
      Build time: Sep 24 2026 - 15:34:11
      Scintilla/Lexilla included: 5.6.6/5.5.3
      Boost Regex included: 1_90
      pugixml included: 1.16
      nlohmann JSON included: 3.12.0
      Path: C:\Program Files\Notepad++\notepad++.exe
      Command Line:
      Admin mode: OFF
      Local Conf mode: OFF
      Cloud Config: OFF
      WinGUp: present
      disableNppAutoUpdate.xml: absent
      Periodic Backup: OFF
      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: ON
      Display Info:
      primary monitor: 3840x2160, scaling 250%
      visible monitors count: 1
      installed Display Class adapters:
      0001: Description - Intel® UHD Graphics
      0001: DriverVersion - 31.0.101.2140
      0002: Description - NVIDIA Quadro P620
      0002: DriverVersion - 32.0.15.8242
      OS Name: Windows 11 Pro (64-bit)
      OS Version: 25H2
      OS Build: 26200.9457
      Current ANSI codepage: 1252
      Plugins:
      ComparePlugin (2.0.2)
      ComparePlus (1.1)
      mimeTools (3.1)
      NppConverter (4.7)
      NppExport (0.4)

      The crashes are shown in the eventlog like this:

      Fehlerhafter Anwendungsname: Explorer.EXE, Version: 10.0.26100.9444, Zeitstempel: 0x03f6c974
      Fehlerhafter Modulname: NppShell.dll, Version: 1.6.0.0, Zeitstempel: 0x69c3e77c
      Ausnahmecode: 0xc0000409
      Fehleroffset: 0x000000000001e475
      Fehlerhafte Prozess-ID: 0x2024
      Fehlerhafte Anwendungsstartzeit: 0x1DD6A5471AA31EC
      Fehlerhafter Anwendungspfad: C:\WINDOWS\Explorer.EXE
      Fehlerhafter Modulpfad: C:\Program Files\Notepad++\contextMenu\NppShell.dll
      Berichts-ID: 34dd4e15-6274-404c-b3f2-ad3937e5cc7a
      Vollständiger Name des fehlerhaften Pakets:
      Fehlerhafte paketbezogene Anwendungs-ID:

      The ONLY thing that helps is to rename the file C:\Program Files\Notepad++\contextMenu\NppShell.dll .

      I wonder if I’m the only one experiencing this issue.

      Thank you in advance for support.

      Best regards,
      Seb

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