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:   4.9.2
MD5:   d4a4e5513ac66a7849f23a6f296dcebe
SHA1:   2b56034ff8151ce7e4bc5c6928472447e3c8daa8
SHA256:   4a4a8a755598be613ecbda808cfeacbcd843c8c38f00e55a08f706aa3dac16b8

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:4.9.2
Size:163.05 KB (166,960 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
FireTrust Limited
12% remove
MailWasher Pro allows you to preview multiple accounts and all aspects of your e-mail on the server before you download it to your computer, thus protecting you from spam, viruses, phishing attacks and other nuisances. The program also learns what kind of e-mail you want to receive and adapts to your preferences. You can then delete unwanted email before it gets to you and even report it to the central FirstAlert database, where it is v...
Mozilla
7% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...
Mozilla
11% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...
Mozilla
6% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...
Mozilla
11% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...
Mozilla
12% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...
Mozilla
9% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...
Mozilla
12% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...
Mozilla
6% remove
Mozilla Thunderbird is a free, open source, cross-platform email, news and chat client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. Thunderbird provides enterprise and government-grade security features such as SSL/TLS connections to IMAP and SMTP servers. Extension...

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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