84,488,480 programs installed

Should I remove PDF-Viewer?

What percent of users and experts removed it?
39% remove it61% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #595
United States Rank #1,143
Reach 1.1342%
Lifespan of installation (until removal)
< 17.37 days
512.45 days >
Average installed length: 269.25 days


2.5.322.10 0.04%
2.5.322.9 0.01%
2.5.322.8 0.96%
2.5.322.7 0.91%
2.5.322.6 0.07%
2.5.322.5 0.14%
2.5.322.4 0.34%
2.5.322.3 0.12%
2.5.322.0 0.04%
2.5.321.0 0.64%
2.5.320.0 0.41%
2.5.319.0 0.63%
2.5.318.1 0.84%
2.5.318.0 0.18%
2.5.317.1 2.04%
2.5.317.0 0.67%
2.5.316.1 1.26%
2.5.316.0 0.19%
2.5.315.0 2.46%
2.5.314.0 0.57%
2.5.313.1 1.87%
2.5.313.0 0.81%
2.5.312.1 3.57%
2.5.312.0 0.51%
2.5.311.0 3.45%
2.5.310.0 0.53%
2.5.309.0 4.52%
2.5.308.2 1.86%
2.5.308.1 0.89%
2.5.308.0 0.23% 5.84% 3.55% 1.76% 2.66% 1.80% 3.33% 5.32% 9.24% 1.92% 3.81% 4.34% 1.91% 2.08% 0.82% 1.04% 0.08% 4.12% 0.96% 1.57% 0.89% 1.63%
103 versions

Typically installed together


What is PDF-Viewer?  (from Tracker Software Products Ltd)

Those wishing to View/Modify or perform simple editing and even OCR Image based PDF files on their Windows PC's now have a FREE pdf reader alternative to the Adobe Reader! The PDF-XChange Viewer is smaller, faster and more feature rich than any other FREE PDF Reader/ PDF Viewer/ PDF Editor available. This free pdf view...  Read more


PDF-Viewer is a program developed by Tracker Software Products Ltd. The most used version is, with over 98% of all installations currently using this version. It adds a Browser Helper Object (BHO) to Internet Explorer. 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 is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The main program executable is Live UpdateLiveUpdate.exe. The software installer includes 23 files and is usually about 30.47 MB (31,946,333 bytes). LiveUpdate.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 30% of users of PDF-Viewer come from the United States, it is also popular in Germany and France.

Program detailsProgram details

URL: www.docu-track.com
Help link: www.tracker-software.com
Installation folder: C:\Program Files\Tracker Software\
Uninstaller: "C:\Program Files\Tracker Software\PDF Viewer\unins000.exe"
Estimated size: 30.47 MB

Program filesFiles installed by PDF-Viewer

Program executable:Live UpdateLiveUpdate.exe
Path:C:\Program Files\Tracker Software\Live UpdateLiveUpdate.exe
Additional files:
  • PXCPrevHost.exe - Tracker Software PDF-XChange Shell Extention (PDF-XChange Preview Host for PDF Preview Handler)
  • XCShInfo.dll - PDF-XChange Shell Extention
  • LiveUpdate.exe - PDF-XChange Live Update (Live Update PDF-XChange Products)
  • iePDFXEditPlugin.x86.dll - PDF-XChange Editor (PDF-XChange Editor IE-Plugin)
  • npPDFXCviewNPPlugin.dll - PDF-XChange Viewer (PDF-XChange Viewer Netscape Gecko Plugin)
  • npPDFXEditPlugin.x86.dll - PDF-XChange Editor Netscape Gecko Plugin
  • PDFXCview.exe
  • PDFXCviewAx.dll - PDF-XChange Viewer Control
  • PDFXCviewIEPlugin.dll - PDF-XChange Viewer IE-Plugin
  • PDFXEdit.exe
  • PDFXEditCore.x64.dll - PDF-XChange Editor API
  • PDFXEditCore.x86.dll
  • TrackerUpdate.exe - Tracker Update
  • InnoCA.dll

Program behaviorsBehaviors exhibited

2 Google Chrome Plugins
  • npPDFXCviewNPPlugin.dll is loaded in the Google Chrome web browser as 'npPDFXCviewNPPlugin.dll'.
  • npPDFXEditPlugin.x86.dll is loaded in the Google Chrome web browser as 'npPDFXEditPlugin.x86.dll'.
Internet Explorer BHO
  • PDFXCviewIEPlugin.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'PDF-XChange Viewer IE-Plugin' with the class of {C5D07EB6-BBCE-4DAE-ACBB-D13A8D28CB1F}.
2 Mozilla Plugins
  • npPDFXCviewNPPlugin.dll is loaded into Mozilla Firefox under the product name '@tracker-software.com/PDF-XChange Viewer Plugin,version=1.0,application/pdf' with a plugin key of '@tracker-software.com/PDF-XChange Viewer Plugin,version=1.0,application/pdf' for all users of the PC.
  • npPDFXEditPlugin.x86.dll is loaded into Mozilla Firefox under the product name 'PDF-XChange Editor Plugin' with a plugin key of '@tracker-software.com/PDF-XChange Editor Plugin,version=1.0,application/pdf' for all users of the PC.
2 Scheduled Tasks
  • PDFXCview.exe is scheduled as a task with the class '{DD68E20F-D04F-4874-9FA4-C60A1AA6EC48}' (runs on registration).
  • TrackerUpdate.exe is scheduled as a task named 'TrackerAutoUpdate' (runs daily at 9.00).
Startup File (User Run Once)
  • TrackerUpdate.exe is loaded once in the current user (HKCU) registry as a startup file name 'TrackerUpdate' which loads as C:\Program Files\Tracker Software\Update\TrackerUpdate.exe -StartInstall.
Windows Firewall Allowed Program
  • PDFXCview.exe is added as a firewall exception for 'C:\Program Files\Tracker Software\PDF Viewer\PDFXCview.exe'.

How do I remove PDF-Viewer?

You can uninstall PDF-Viewer 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 PDF-Viewer, 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 PDF-Viewer.

How do I reset my web browser?

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

Win 7 (SP1) 54%
Win 7 0%
Plugs into Mozilla Firefox
Uninstall it 39%
Keep it 61%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 56.28%
Windows 10 31.95%
Windows XP 7.67%
Windows Vista 4.05%
Windows Server 2003 0.05%
Which OS releases does it run on?
Windows 7 Home Premium 26.86%
Windows 7 Professional 15.42%
Windows 7 Ultimate 11.38%
Windows 10 Home 8.75%
Microsoft Windows XP 7.63%
Windows 8.1 6.77%

Distribution by countryGeography

29.77% of installs come from the United States
Which countries install it?
  United States 29.77%
  Germany 20.49%
  France 7.73%
  Italy 7.08%
  Japan 3.49%
  Canada 2.48%
  United Kingdom 2.47%
  Netherlands 1.73%
  Taiwan 1.50%
  Belgium 1.41%
  Austria 1.38%
  Brazil 1.25%
  Australia 1.23%
  Czech Republic 1.20%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 23.03%
Dell 19.37%
Acer 18.33%
ASUS 12.87%
Lenovo 4.38%
Samsung 4.04%
Toshiba 3.86%
Medion 1.83%
American Megatrends 1.78%
Intel 1.63%
Sahara 0.94%
Common models
ASUS All Series 6.03%
HP Pavilion dv6 Notebook ... 5.48%
HP Pavilion dv7 Notebook ... 4.74%
HP Pavilion g6 Notebook P... 3.67%
HP Z220 CMT Workstation 2.11%
HP Pavilion g7 Notebook P... 1.99%

About (from Tracker Software Products Ltd)

Incorporated in 1997 in the UK to develop Imaging and PDF format related software, Tracker Software Products has offices in Canada and the UK, with additional development offices in the USA and Ukraine.
Publisher URL: www.tracker-software.com

comments1 comment

user comment
user comment
BSAover a year ago
Better than acrobat viewer. If the pro-version (pdf-edit) is purchased it´s better compared to full acrobat (pdf-edit) as well.