82,399,351 programs installed

Should I remove Gaaiho PDF Driver?

What percent of users and experts removed it?
9% remove it91% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Reach 0.0003%


3.0 33.33%
2.1 66.67%

Gaaiho PDF Driver


Gaaiho PDF Driver is a software program developed by ZEON. The most common release is 2.1, with over 98% of all installations currently using this version. Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. Manually stopping the service has been seen to cause the program to stop functing properly. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The program adds a toolbar to Microsoft Internet Explorer. The setup package generally installs about 22 files and is usually about 18.1 MB (18,983,554 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 8 and Windows 7 (SP1). While about 88% of users of Gaaiho PDF Driver come from the United States, it is also popular in United Kingdom.

Program detailsProgram details

URL: www.gaaiho.com
Installation folder: C:\Program Files\Zeon\Gaaiho\Gaaiho PDF Driver\
Uninstaller: MsiExec.exe /I{9C10D662-2406-4FDB-A892-65DE76322001}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 18.1 MB
Language: English (United States)

Program filesFiles installed by Gaaiho PDF Driver

  • gznprngraf.dll - Zeon (Beijing) Corp. PDF Driver (DocuCom PDF Driver 8.0)
  • gznprnui.dll
  • PDFCore8.dll - Zeon Corporation PDF Core (DocuCom PDF Core Library)
  • gznprncmd.dll - Zeon Corp. PDF Driver (Zeon Driver Cmd)
  • SendMail.exe - SendMail Application
  • GZNLSvc.exe - ZNLSvc Application
  • GDMSManager.dll - Gaaiho PDF Driver (DMSManager.dll)
  • GSharePointDMS.dll - SharePoint DMS PlugIn
  • ZPDFOfficeAddin_x64.dll - Gaaiho PDF Suite (Gaaiho Office Addin)
  • ZPDFOfficeAddin_x86.dll
  • GZeonIEFavClient.dll - ZeonIEFavClient (ZeonIEFavClient.dll)
  • GZeonHTMLParser.dll - ZeonHTMLParser (ZeonHTMLParser.dll)
  • GZnExcelAddIn.dll - GZnExcelAddIn (Gaaiho Excel AddIn)
  • GZnWordAddIn.dll - GZnWordAddIn (Gaaiho Word AddIn)
  • GZNAbout.exe - ZNAbout.exe
  • GZnPPTAddIn.dll - GnPPTAddIn (Gaaiho PowerPoint AddIn)
  • GZnPrint.dll - GZnPrint

Program behaviorsBehaviors exhibited

Internet Explorer BHO
  • GZeonIEFavClient.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'ZeonIEEventHelper Class' with the class of {C7DA0384-42AA-428c-B832-88AC343DE1A8}.
Internet Explorer Toolbar
  • GZeonIEFavClient.dll is loaded as Internet Explorer Toolbar with the name 'Gaaiho PDF' with the class of {BCCE15AE-AC7E-4bc9-94AF-2A714A412BCB}.
  • GZNLSvc.exe runs as a service named 'Gaaiho License Service' (GZNLSvc).

How do I remove Gaaiho PDF Driver?

Quickly and completely remove Gaaiho PDF Driver from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall Gaaiho PDF Driver 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Gaaiho PDF Driver, click it, and then do one of the following:
    • Windows Vista/7/8: 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 Gaaiho PDF Driver.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by Gaaiho PDF Driver you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win 8 67%
Win 7 (SP1) 33%
Plugs into Internet Explorer

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 8 66.67%
Windows 7 33.33%
Which OS releases does it run on?
Windows 8 Pro 33.33%
Windows 8.1 Pro 33.33%
Windows 7 Professional 33.33%

Distribution by countryGeography

87.50% of installs come from the United States
Which countries install it?
  United States 87.50%
  United Kingdom 12.50%


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