Should I block it?

9%
9% of PCs block this file from running.

VersionsAdditional versions

5.1.30214.0 7.48%
5.1.30214.0 6.93%
5.1.30214.0 0.07%
5.1.20913.0 9.49%
5.1.20913.0 14.34%
5.1.20513.0 5.33%
5.1.20513.0 11.22%
5.1.20125.0 29.43%
5.1.20125.0 13.64%
4.0.50917.0 0.14%
4.0.50524.0 0.07%
4.0.50401.0 1.73%
3.0.50611.0 0.07%
2.0.40115.0 0.07%

Relationships

npctrl.dll

Silverlight Plug-In by Microsoft Corporation (Signed)

Remove npctrl.dll
Version:   5.1.20513.0
MD5:   f045df7af127dc4bcc53421850114e15
SHA1:   ef143fd3c45dc6416dc57ccf82c3e1530d9142c3
SHA256:   87b64ab1e9245d8810544a840f72e6ea32bbe3f57f2288c79fbf9dc2be77718d

What is npctrl.dll?

Microsoft Silverlight is a free web-browser plug-in that enables interactive media experiences, rich business applications and immersive mobile apps.

About npctrl.dll (from Microsoft Corporation)

Microsoft Silverlight is a powerful tool for creating and delivering rich Internet applications and media experiences on the Web. Silverlight 5 builds on the foundation of Silverlight 4 for building b

Overview

npctrl.dll is loaded as dynamic link library that runs in the context of the Google Chrome web browser. It is installed with a couple of know programs including Microsoft Silverlight published by Microsoft Corporation, Microsoft Silverlight from Microsoft Corporation and Microsoft Silverlight by Microsoft Corporation. The file is digitally signed by Microsoft Corporation.

DetailsDetails

File name:npctrl.dll
Publisher: Microsoft Corporation
Product name:Silverlight Plug-In
Description:4.0.50401.0
Typical file path:C:\Program Files\microsoft silverlight\4.0.50401.0\npctrl.dll
File version:5.1.20513.0
Size:1.15 MB (1,210,512 bytes)
Build date:5/13/2013 6:59 AM
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Digital DNA
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Microsoft Corporation
8% remove
Microsoft Silverlight is an application framework for writing and running rich Internet applications, with features and purposes similar to those of Adobe Flash. The run-time environment for Silverlight is available as a plug-in for web browsers running under Microsoft Windows. Silverlight provides a retained mode graphics system similar to Windows Presentation Foundation (WPF), and integrates multimedia, graphics, animations and intera...
portal.qtrax.com
5% remove
Qtrax is a digital music service aimed at providing high-quality downloads. Qtrax currently allows music fans to download free music from three of the major labels – EMI, Sony Music and Universal Music Group. The Qtrax client has been created on the Microsoft Silverlight Platform. The service is free to use with registration and generates revenue by a combination of advertising and strategic partnerships. Qtrax service includes band pag...

BehaviorsBehaviors

Google Chrome plugins
Stored per user in the directory 'Google\Chrome\User Data\Default\Preferences'
  • Name: 'npctrl.dll'
Mozilla plugins
  • Ag Player

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 44.50%
Windows 8.1 17.00%
Windows 7 Ultimate 10.00%
Windows 8.1 Pro 5.50%
Windows 7 Professional 5.00%
Windows 8.1 Pro with Media Center 3.00%
Windows 8 Pro 3.00%
Windows 8 2.50%
Windows 8 Single Language 2.00%
Windows 7 Home Basic 2.00%
Windows 8.1 Single Language 2.00%
Windows Seven Black Edition 1.00%
Windows 8.1 Enterprise Evaluation 1.00%
Windows 8 Enterprise 1.00%
Windows Vista Home Premium 0.50%

Distribution by countryDistribution by country

United States installs about 63.13% of Silverlight Plug-In.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 23.97%
Hewlett-Packard 21.49%
Toshiba 16.53%
ASUS 11.57%
Acer 9.09%
Lenovo 8.26%
Sony 4.96%
Samsung 1.65%
Alienware 1.65%
GIGABYTE 0.83%
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