Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.9.6 Beta 0.68%
4.9.6 Beta 0.68%
4.9.6 22.30%
4.9.5 0.68%
4.9.5 4.05%
4.9.5 1.35%
4.9.5 7.43%
4.9.5 0.68%
4.9.5 0.68%
4.9.5 0.68%
4.9.5 2.70%
4.9.4 15.54%
4.9.4 0.68%
4.9.4 0.68%
4.9.4 21.62%
4.9.2 0.68%
4.9.2 0.68%
4.9.2 0.68%
4.9 Beta 0.68%
4.9 0.68%
4.9 0.68%
4.9 0.68%
4.9 1.35%
4.9 0.68%
4.8.9 Beta 0.68%
View more

Relationships

nspr4.dll

Netscape Portable Runtime by Mozilla Corporation (Signed)

Remove nspr4.dll
Version:   4.9.5
MD5:   c8769529a3a715f313aa870233757a5d
SHA1:   68aeb3ae4a5992d8dcc6b3bf085100ed0c375b58
SHA256:   beaa90450689cdfaf27f2b6bbc6531e51c26994c3abc7f0cb62a252d1a66a498

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\waterfox\nspr4.dll
File version:4.9.5
Size:162.9 KB (166,808 bytes)
Build date:6/20/2013 10:51 AM
Certificate
Issued to:Mozilla Corporation
Authority (CA):Thawte
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

ResourcesPrograms

The following programs will install this file
Mozilla
4% remove
Mozilla Thunderbird is a cross-platform email, news and chat client. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. The vanilla version is not a personal information manager, although the Mozilla Lightning extension adds PIM functionality. Additional features, if needed, are often available via other extensions. Thunderbird supports POP and IMAP. It also supports LDAP address completion. The built-...
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
5% 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
3% 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
4% remove
Mozilla Thunderbird is a cross-platform email, news and chat client. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. The vanilla version is not a personal information manager, although the Mozilla Lightning extension adds PIM functionality. Additional features, if needed, are often available via other extensions. Thunderbird supports POP and IMAP. It also supports LDAP address completion. The built-...
Mozilla
4% remove
Mozilla Thunderbird is a cross-platform email, news and chat client. Thunderbird is an email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client. The vanilla version is not a personal information manager, although the Mozilla Lightning extension adds PIM functionality. Additional features, if needed, are often available via other extensions. Thunderbird supports POP and IMAP. It also supports LDAP address completion. The built-...

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 22.30%
Windows 7 Ultimate 20.95%
Microsoft Windows XP 19.59%
Windows 7 Professional 10.14%
Windows 8 7.43%
Windows Vista Home Premium 6.08%
Windows 8 Pro 4.73%
Windows 7 Starter 3.38%
Windows 7 Home Basic 2.03%
Windows Vista Home Basic 1.35%
Windows 8 Enterprise 0.68%
Windows 8 Pro with Media Center 0.68%
Windows Vista Business 0.68%

Distribution by countryDistribution by country

United States installs about 42.86% of Netscape Portable Runtime.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 26.97%
Hewlett-Packard 16.29%
Toshiba 13.48%
Acer 12.92%
ASUS 8.99%
Lenovo 4.49%
Sony 3.37%
American Megatrends 2.81%
Sahara 2.25%
Intel 2.25%
GIGABYTE 2.25%
Samsung 1.12%
Gateway 1.12%
Compaq 1.12%
Packard Bell 0.56%
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