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
MD5:   d7cb45bead7ff63b8d82abbfb9d74102
SHA1:   14adf97f1084a89fae13f581a8dc498a29229d54

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
Size:166.97 KB (170,976 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
Alex Sirota
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Keynote Systems, Inc.
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Mozilla
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For Firefox 14, a new hang detector (similar to how Mozilla currently collects other data) allows Mozilla to collect, analyze, and identify the cause of the browser freezing/hanging. Mozilla will use this information to improve the responsiveness of Firefox for future releases. Mozilla Firefox (US English locale) is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily locali...
Mozilla
11% remove
Bringing together all kinds of awesomeness to make browsing better for you. Get to your favorite sites quickly – even if you don’t remember the URLs. Type your term into the location bar (aka the Awesome Bar) and the autocomplete function will include possible matches from your browsing history, bookmarked sites and open tabs. Browse multiple sites at once, simply and easily. Each new site appears as a new tab (not a new window) and ca...
Mozilla
10% remove
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Mozilla
5% 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 ...
Mozilla
8% remove
For Firefox 14, a new hang detector (similar to how Mozilla currently collects other data) allows Mozilla to collect, analyze, and identify the cause of the browser freezing/hanging. Mozilla will use this information to improve the responsiveness of Firefox for future releases. Mozilla Firefox (US English locale) is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily locali...
Mozilla
7% remove
For Firefox 14, a new hang detector (similar to how Mozilla currently collects other data) allows Mozilla to collect, analyze, and identify the cause of the browser freezing/hanging. Mozilla will use this information to improve the responsiveness of Firefox for future releases. Mozilla Firefox (US English locale) is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily locali...
Mozilla
11% remove
For Firefox 14, a new hang detector (similar to how Mozilla currently collects other data) allows Mozilla to collect, analyze, and identify the cause of the browser freezing/hanging. Mozilla will use this information to improve the responsiveness of Firefox for future releases. Mozilla Firefox (US English locale) is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily locali...
Mozilla
8% remove
For Firefox 14, a new hang detector (similar to how Mozilla currently collects other data) allows Mozilla to collect, analyze, and identify the cause of the browser freezing/hanging. Mozilla will use this information to improve the responsiveness of Firefox for future releases. Mozilla Firefox (US English locale) is a free and open source is a web browser coordinated by Mozilla Corporation and Mozilla Foundation that is a heavily locali...
White Sky, Inc.
22% remove
ID Vault ensures that users log in to legitimate web site, establish an SSL connection with the Web site and are protected from browser-based threats by ID Vault SecureView, a hardened browser. ID Vault checks each time users submit stored credentials to a Web site. If the Web site is not on the white list, a warning is displayed which asks the user to confirm that the Web site is safe before proceeding. ID Vault uses a white list o...

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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