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
MD5:   447f9b821ea52c682bbc3fc30b364a19
SHA1:   51fd64ad282774678c663b7b8af12948dc742ed5
SHA256:   03ae67abeb145c60d6b8e2c3103708de4cb7a03322b6666eff78ffe5eb27f204

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
Size:151.5 KB (155,136 bytes)
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

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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