84,285,534 programs installed

Should I remove Gaaiho PDF Suite?

What percent of users and experts removed it?
5% remove it95% 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 0.0004%


4.1 25.00%
3.2 12.50%
2.3 37.50%
2.2.0000 12.50%
2.1.0003 12.50%

Gaaiho PDF Suite

What is Gaaiho PDF Suite?  (from ZEON)

The successor to DocuCom PDF, with all new design and features for peak PDF performance. Drag-and-drop any printable document into Gaaiho Doc for PDF conversion. Then save the file as PDF or DOC. Portfolios are file archives presented in a flash-based, user-friendly format. You can combine PDFs, documents, images, or ...  Read more


Gaaiho PDF Suite is a software program developed by ZEON. The most common release is 2.3, 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 70 files and is usually about 76.66 MB (80,384,593 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 10 and Windows 7 (SP1). While about 84% of users of Gaaiho PDF Suite come from the United States, it is also popular in France and Netherlands.

Program detailsProgram details

URL: www.gaaiho.com
Help link: support.gaaiho.com
Installation folder: C:\Program Files\Zeon\Gaaiho\Gaaiho PDF Suite\
Uninstaller: MsiExec.exe /I{203249ED-FE3E-44F7-A8A4-8012C8722000}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 76.66 MB
Language: Chinese (Traditional, Taiwan)

Program filesFiles installed by Gaaiho PDF Suite

  • gznprngraf.dll - Zeon (Beijing) Corp. PDF Driver (DocuCom PDF Driver 8.0)
  • gznprnui.dll
  • PDFCore8.dll - Zeon Corporation PDF Core (DocuCom PDF Core Library)
  • PDFCore8_x64.dll
  • PDFCore8_x86.dll
  • gznprncmd.dll - Zeon Corp. PDF Driver (Zeon Driver Cmd)
  • SendMail.exe - SendMail Application
  • ztypeset.dll - ZEON Gaaiho ztypeset (ZEON Gaaiho ztypeset Application)
  • GZNLSvc.exe - ZNLSvc Application
  • GDMSManager.dll - Gaaiho PDF Driver (DMSManager.dll)
  • GSharePointDMS.dll - SharePoint DMS PlugIn
  • zdocx.dll - ZEON Gaaiho zdocx (ZEON Gaaiho zdocx Application)
  • GPlusCore.dll - Gaaiho PDF Suite (Gaaiho Doc)
  • GZeonIEFavClient.dll - GZeonIEFavClient
  • GZeonIEFavClient_x64.dll
  • ZPortfolioRes.dll - DocuCom PDF Plus (DocuCom PDF Plus Application)
  • zrtf.dll - ZEON Gaaiho zrtf (ZEON Gaaiho zrtf Application)
  • DefaultViewer.exe - ZEON Gaaiho Doc (ZEON Gaaiho Doc Application)
  • GaaihoDoc.exe
  • ImageResource.dll
  • VideoPlayer.dll - Zeon Gaaiho Doc Application
  • zbi.dll - ZEON Gaaiho zbi (ZEON Gaaiho zbi Application)
  • ZPDFConverter.dll
  • zPreview_x64.dll
  • zPreview_x86.dll
  • ZTagPDF.dll
  • zThumb.dll
  • GZeonHTMLParser.dll - ZeonHTMLParser (ZeonHTMLParser.dll)
  • GZeonIEBroker.exe - GZeonIEBroker
  • GZNAbout.exe - ZNAbout.exe
  • GPlusDocServer.ocx - Gaaiho Doc (Gaaiho Doc Plugin)
  • nppdf.dll
  • GWebToPDF.dll - GWebToPDF
  • 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 'Gaaiho PDF Conversion Toolbar Helper' 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 Toolbar' with the class of {BCCE15AE-AC7E-4bc9-94AF-2A714A412BCB}.
Mozilla Plugin
  • nppdf.dll is loaded into Mozilla Firefox under the product name 'Gaaiho Doc' with a plugin key of 'ZEON/PDF,version=2.0' for all users of the PC.
  • GZNLSvc.exe runs as a service named 'Gaaiho License Service' (GZNLSvc).

How do I remove Gaaiho PDF Suite?

Quickly and completely remove Gaaiho PDF Suite 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 Suite 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 Suite, 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 Suite.

How do I reset my web browser?

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

Win 10 75%
Win 7 (SP1) 25%
Plugs into Internet Explorer
Uninstall it 5%
Keep it 95%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 75.00%
Windows 7 25.00%
Which OS releases does it run on?
Windows 10 Pro 25.00%
Windows 8.1 Pro 25.00%
Windows 8 Pro 12.50%
Windows 10 Enterprise 12.50%
Windows 7 Professional 12.50%
Windows 7 Ultimate 12.50%

Distribution by countryGeography

84.21% of installs come from the United States
Which countries install it?
  United States 84.21%
  France 5.26%
  Netherlands 5.26%
  Turkey 5.26%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 40.00%
Hewlett-Packard 20.00%
Acer 20.00%
Common models
HP ProBook 4520s 20.00%
Gigabyte G41M-Combo 20.00%
Dell Studio 1555 20.00%
Dell Latitude 6430U 20.00%
Acer Aspire G7700 20.00%


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