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Should I remove Duden Patch 3261?

What percent of users and experts removed it?
8% remove it92% keep it
Overall Sentiment
Very good
What do people think about it?
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How common is it?
Global Rank #19,966
Reach 0.0110%


9.0.0 100.00%

Other programs by Bibliographisches Institut GmbH

Duden Patch 3261


Duden Patch 3261 is a program developed by Bibliographisches Institut GmbH. Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software installer includes 27 files and is usually about 971.39 MB (1,018,581,281 bytes). WebUpdate.exe is the automatic update component of the software designed to download and apply new updates should new versions be released. In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 86% of users of Duden Patch 3261 come from Germany, it is also popular in the United States and Austria.

Program detailsProgram details

URL: www.duden.com
Installation folder: C:\Program Files\Duden\Duden-Rechtschreibpruefung\
Uninstaller: MsiExec.exe /I{BACAF5AB-C67D-4A4F-B470-AD032E2FEAEE}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 971.39 MB
Language: German (Germany)

Program filesFiles installed by Duden Patch 3261

  • dpf.dll - Duden Proof Factory Dynamic Link Library (DLL) (Dpf Dynamic Link Library (DLL))
  • sx.dll - sx
  • Integration.dll (by Expert System S.p.A) - Duden Korrektor Integration
  • DKFx.dll (by Expert System S.p.A) - Duden Korrektor Framework
  • DKTray.exe - Duden Korrektor (Duden Korrektor Tray Tool)
  • Register.exe - Duden Korrektor Registration Tool
  • Support.exe - Duden Korrektor Support Tool
  • WebUpdate.exe - Duden Korrektor Web Update
  • dle.dll (by IAI) - dle
  • AddinExpress.MSO.2005.dll (by Add-in Express Ltd) - Add-in Express .NET (Add-in Express .NET Office Add-in)
  • adxloader.dll
  • adxloader64.dll
  • adxregistrator.exe (by Add-in Express) - adxregistrator
  • DKClean.exe - Duden Korrektor clean-up tool
  • DKReg.exe - Duden Korrektor Multi-user Registry tool
  • extensibility.dll (by Microsoft) - Microsoft® Visual Studio .NET
  • Interop.Access.dll
  • Interop.Excel.dll
  • Interop.FrontPage.dll
  • Interop.FrontPageEditor.dll
  • Interop.Office.dll
  • Interop.Outlook.dll
  • Interop.PowerPoint.dll
  • Interop.Publisher.dll - Assembly imported from type library Publisher
  • Interop.Word.dll
  • MBControls.dll - MBControls 2.5 for .NET (MBControls Library for .NET)
  • MSSP3GE.DLL - DUDEN Spelling DLL

Program behaviorsBehaviors exhibited

Scheduled Task
  • DKTray.exe is scheduled as a task named 'Duden Tray'.
Startup File (User Run)
  • DKTray.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'Duden Korrektor Tray Tool' and executes as C:\Program Files\Duden\Duden-Rechtschreibpruefung\DKTray.exe.

How do I remove Duden Patch 3261?

You can uninstall Duden Patch 3261 from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Duden Patch 3261, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Duden Patch 3261.

Win 7 (SP1) 60%
Win XP 2%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 8%
Keep it 92%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 60.19%
Windows 10 33.33%
Windows Vista 4.17%
Windows XP 2.31%
Which OS releases does it run on?
Windows 7 Home Premium 34.42%
Windows 7 Professional 16.74%
Windows 7 Ultimate 7.91%
Windows 8.1 Pro 7.91%
Windows 8.1 Pro with Medi... 6.05%
Windows 8.1 5.12%

Distribution by countryGeography

86.30% of installs come from Germany
Which countries install it?
  Germany 86.30%
  United States 5.94%
  Austria 2.74%
  Switzerland 2.28%
  Spain 0.46%
  Finland 0.46%
  United Kingdom 0.46%
  Netherlands 0.46%
  Norway 0.46%
  Slovenia 0.46%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 29.73%
Medion 18.02%
Dell 16.22%
Hewlett-Packard 12.61%
ASUS 7.21%
Samsung 6.31%
American Megatrends 2.70%
Common models
MEDIONPC MS-7728 3.42%
MEDIONPC MS-7502 2.56%
Hewlett-Packard p6-2256eg 2.56%
Acer Aspire 7750G 2.56%
Acer Aspire M5810 2.56%
MEDIONPC MS-7616 2.56%


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