82,399,351 programs installed

Should I remove SumatraPDF?

What percent of users and experts removed it?
1% remove it99% 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 0.0007%


2.2 100.00%

Other programs by Krzysztof Kowalczyk

SumatraPDF 2.2


SumatraPDF 2.2 is a program developed by Krzysztof Kowalczyk. The main program executable is sumatrapdf.exe. The software installer includes 7 files and is usually about 9.14 MB (9,581,024 bytes). In comparison to the total number of users, most PCs are running the OS Windows XP as well as Windows 7 (SP1). While about 33% of users of SumatraPDF come from the United States, it is also popular in MA and Brazil.

Program detailsProgram details

URL: blog.kowalczyk.info/software/sumatrapdf
Installation folder: C:\Program Files\SumatraPDF
Uninstaller: C:\Program Files\SumatraPDF\uninstall.exe
Estimated size: 9.14 MB

Program filesFiles installed by SumatraPDF 2.2

Program executable:sumatrapdf.exe
Path:C:\Program Files\sumatrapdf\sumatrapdf.exe
Additional files:
  • uninstall.exe - SumatraPDF Installer
  • PdfFilter.dll (by Simon Bünzli) - SumatraPDF IFilter Persistent Handler (SumatraPDF IFilter Search Helper)
  • PdfPreview.dll (by Simon Bünzli) - SumatraPDF Preview Persistent Handler (SumatraPDF Preview Shell Extension)
  • npPdfViewer.dll - SumatraPDF Browser Plugin
  • libmupdf.dll (by Artifex Software) - SumatraPDF (MuPDF Rendering Library)
  • Désinstaller.exe

Program behaviorsBehaviors exhibited

Google Chrome Plugin
  • npPdfViewer.dll is loaded in the Google Chrome web browser as 'npPdfViewer.dll'.
Mozilla Plugin
  • npPdfViewer.dll is loaded into Mozilla Firefox under the product name 'SumatraPDF Browser Plugin' with a plugin key of '@mozilla.zeniko.ch/SumatraPDF_Browser_Plugin' for all users of the PC.

How do I remove SumatraPDF?

Quickly and completely remove SumatraPDF 2.2 from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall SumatraPDF 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 SumatraPDF 2.2, 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 SumatraPDF.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by SumatraPDF 2.2 you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win XP 90%
Win 7 (SP1) 10%
Plugs into Mozilla Firefox
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows XP 90.00%
Windows 7 10.00%
Which OS releases does it run on?
Microsoft Windows XP 90.00%
Windows 7 Professional 10.00%

Distribution by countryGeography

33.33% of installs come from the United States
Which countries install it?
  United States 33.33%
  MA 6.67%
  Brazil 6.67%
  Mexico 6.67%
  Argentina 6.67%
  Indonesia 6.67%
  Spain 6.67%
  Germany 6.67%
  Canada 6.67%
  Poland 6.67%
  Italy 6.67%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 50.00%
Hewlett-Packard 25.00%
ASUS 12.50%
Intel 12.50%
Common models
HP Compaq dc7700 Small Fo... 10.00%
HP Compaq 6530b (WA484LA#... 10.00%
ENPC P33G 10.00%
Dell Vostro 320 10.00%


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