84,488,480 programs installed

Should I remove PDF Opener?

What percent of users and experts removed it?
58% remove it42% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #17,287
United States Rank #9,702
Reach 0.0144%
Lifespan of installation (until removal)
< 19.40 days
572.20 days >
Average installed length: 300.65 days


0.1 100.00%

PDF Opener

What is PDF Opener?

Bundles Offercast ad network (APN) extension designed to include advertisements in the software.

About  (from Fedder Limited)

PDF Opener is only 2 megabytes in size and is 100% free. Our software has been scanned by the top 10 antivirus softwares and has been verified to contain no viruses! Everything is included with the installer. Simply download and run it and you will be able to start reading your PDF files.


PDF Opener is a software program developed by Fedder Limited. 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 primary executable is named pdfopener.exe. The setup package generally installs about 2 files and is usually about 4.75 MB (4,981,699 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows XP. While about 86% of users of PDF Opener come from the United States, it is also popular in United Kingdom and Australia.
  • Displays unwanted advertisements

Program detailsProgram details

Displayed publisher: PDF Opener
URL: www.pdf-opener.com/register.php
Installation folder: C:\Program Files\pdfopener
Uninstaller: C:\Program Files\PDFOpener\uninstall.exe
Estimated size: 4.75 MB

Program filesFiles installed by PDF Opener

Program executable:pdfopener.exe
Name:PDF Opener
Path:C:\Program Files\pdfopener\pdfopener.exe
Additional files:
  • uninstall.exe

Program behaviorsBehaviors exhibited

Scheduled Task
  • PDFOpener.exe is scheduled as a task with the class '{C178602B-9DFF-449B-B929-0752D9FFF640}' (runs on registration).

How do I remove PDF Opener?

You can uninstall PDF Opener 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 Opener, 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 Opener.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

Win 7 (SP1) 64%
Win Vista 1%
Uninstall it 58%
Keep it 42%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 67.72%
Windows XP 12.98%
Windows Vista 12.63%
Windows 10 6.67%
Which OS releases does it run on?
Windows 7 Home Premium 50.36%
Microsoft Windows XP 12.50%
Windows Vista Home Premiu... 10.00%
Windows 7 Ultimate 8.57%
Windows 7 Professional 7.50%
Windows 10 Home 5.00%

Distribution by countryGeography

85.84% of installs come from the United States
Which countries install it?
  United States 85.84%
  United Kingdom 10.11%
  Australia 2.02%
  Ireland 0.45%
  New Zealand 0.45%
  SY 0.45%
  Iran 0.22%
  Pakistan 0.22%
  Poland 0.22%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 41.33%
Hewlett-Packard 31.63%
Acer 9.69%
Toshiba 7.14%
Samsung 3.06%
Lenovo 2.55%
Apple 1.02%
Gateway 1.02%
Intel 1.02%
Common models
Dell Inspiron 530 2.96%
HP Pavilion dv6 Notebook ... 2.96%
HP Pavilion dv7 Notebook ... 2.96%
Dell Inspiron 530s 2.22%
Dell XPS 8300 2.22%
Dell OptiPlex GX280 ... 2.22%


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