Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.9.5 Beta 0.75%
4.9.4 Beta 0.75%
4.9.4 Beta 0.75%
4.9.4 Beta 0.75%
4.9.4 0.75%
4.9.4 1.50%
4.9.4 6.02%
4.9.4 0.75%
4.9.4 21.80%
4.9.4 0.75%
4.9.4 1.50%
4.9.4 0.75%
4.9.2 10.53%
4.9.2 1.50%
4.9.2 36.84%
4.9.2 1.50%
4.9.2 0.75%
4.9.1 1.50%
4.9 Beta 2.26%
4.9 Beta 0.75%
4.9 0.75%
4.9 0.75%
4.9 1.50%
4.9 3.01%
4.9 1.50%

Relationships

nspr4.dll

Netscape Portable Runtime by Mozilla Corporation (Signed)

Remove nspr4.dll
Version:   4.9.4
MD5:   5249de76d7ed1eac203a36af18b1fe05
SHA1:   87b2f829f5078a9dadc9bac02fa5dc98621aaf45

What is nspr4.dll?

NSPR Library is part of Mozilla Firefox, a free and open source web browser developed by the Mozilla Foundation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. Functions can be added through extensions, created by third-party developers.

About nspr4.dll (from Mozilla Corporation)

Mozilla Firefox is a fast, full-featured Web browser. Firefox includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, a streamlined browser window that shows you

DetailsDetails

File name:nspr4.dll
Publisher:Mozilla Foundation
Product name:Netscape Portable Runtime
Description:NSPR Library
Typical file path:C:\Program Files\mozilla firefox\nspr4.dll
File version:4.9.4
Size:168.55 KB (172,592 bytes)
Certificate
Issued to:Mozilla Corporation
Authority (CA):Thawte
Expiration date:Friday, October 18, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 10.0
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Mozilla
7% remove
A new feature for Firefox 18 is IonMonkey, Mozilla's next generation JavaScript engine. Mozilla Firefox is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily localized. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. Functions can be added through extensions, created by third-party developers and thus provid...
Mozilla
7% remove
Mozilla Firefox is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily localized. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. Functions can be added through extensions, created by third-party developers and thus provides an environment for web developers in which they can use built-in tools. Firefox uses ...
Mozilla
12% remove
Mozilla Firefox is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily localized. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. Functions can be added through extensions, created by third-party developers and thus provides an environment for web developers in which they can use built-in tools. Firefox uses ...
Mozilla
11% remove
Mozilla Firefox is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily localized. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards. Functions can be added through extensions, created by third-party developers and thus provides an environment for web developers in which they can use built-in tools. Firefox uses ...

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 23.31%
Microsoft Windows XP 21.80%
Windows 7 Ultimate 21.05%
Windows 7 Professional 12.03%
Windows Vista Home Premium 6.02%
Windows 8 Pro 5.26%
Windows 7 Enterprise 1.50%
Windows 8 Pro with Media Center 1.50%
Windows 8.1 0.75%
Windows 7 Home Basic 0.75%
Windows 8 Enterprise 0.75%
Windows 7 Ultimate N 0.75%
Windows 8 Enterprise N 0.75%
Windows 7 Starter 0.75%
Windows Vista Home Basic 0.75%
Windows 8 Release Preview 0.75%
Windows 8 0.75%
Windows Vista Ultimate 0.75%

Distribution by countryDistribution by country

United States installs about 25.56% of Netscape Portable Runtime.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 23.53%
ASUS 23.53%
Hewlett-Packard 17.65%
Medion 11.76%
Dell 11.76%
Lenovo 11.76%
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