Should I block it?

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

Relationships

npctrl.dll

Silverlight Plug-In by Microsoft Corporation (Signed)

Remove npctrl.dll
Version:   4.0.60310.0
MD5:   8e151a2a185daf9852322028abe55534
SHA1:   43e6b5d7a6b24e247e5c1aa7b09398e53ac2d293
SHA256:   413e51cfcce50b04f1d163c2b3fff7a8665c34e62e020ff0dd84d00c90b90720

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

DetailsDetails

File name:npctrl.dll
Publisher:Microsoft Corporation
Product name:Silverlight Plug-In
Description:4.0.60310.0
Typical file path:C:\Program Files\microsoft silverlight\4.0.60310.0\npctrl.dll
File version:4.0.60310.0
Size:1001.82 KB (1,025,864 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Monday, February 21, 2011
Expiration date:Monday, May 21, 2012
Digital DNA
Entropy:6.694084
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Adobe Systems Incorporated
11% remove
Adobe Shockwave (formerly Macromedia Shockwave) is a multimedia platform used to add animation and interactivity to web pages. It allows Adobe Director applications to be published on the Internet and viewed in a web browser on any computer which has the Shockwave plug-in installed. Shockwave movies are authored in the Adobe Director environment. While there is support for including Flash movies inside Shockwave files, authors often cho...
Citrix Systems, Inc.
11% remove
The first time you host/join a session or upgrade/downgrade GoToMeeting on a Mac, you’ll be prompted to download a file with an optional browser plugin that lets you launch the GoToWebinar software faster. If you uninstall GoToWebinar, you'll need to go through the download process again. A file called “Citrix Online Launcher” will start downloading to your computer. Double-click the file in your browser’s Downloads window to open it. Y...
Dell Inc.
3% remove
Dell Edoc Viewer is pre-installed with various Dell PCs and is part of the Dell support system. Dell eDoc Viewer or Dell Document Viewer is a display tool that collects and displays all documents hardware and software installed on your Dell computer. This display shows documents in HTML and PDF formats and also supports many other document formats.
Hewlett-Packard
21% remove
This product detection tool gathers data about your HP and Compaq product to assist you in getting quick access to support information. No personal or private data is needed or accessed on your computer. Technical data is gathered for the products supported by this tool and is used to identify the product name. In some instances, the tool may be unable to get the product name. If this happens, the tool will look up the serial number for...
Linkury Inc.
  63% remove
Yahoo Community Smartbar Engine is a web browser toolbar and extension that modifies the browsers search and home pages as well as delivers contextual based advertising. This toolbar currently supports Internet Explorer, Firefox and Chrome. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typicall...
Linkury Inc.
  79% remove
QuickShare, also know as Smartbar, is an auto-starting program that is typically bundled with various shareware software. It displays advertising and is designed to run when Windows boots up. In addition it integrates with the various social networks including Facebook and Twitter in order to provide sharing features (and has access to core Facebook permissions). The product has low-level adware flags by more than one top-tier anti-viru...
Microsoft Corporation
9% remove
Microsoft Silverlight 4 SDK is an application framework for writing and running rich internet applications. The Microsoft® Silverlight™ 4 SDK contains online documentation, online samples, libraries and tools for developing Silverlight 4 applications. Silverlight 4 include Support for Google's Chrome browser, web cam and microphone support, improved mouse support including right button support and mouse wheel support, enhanced controls ...
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...
Microsoft Corporation
6% remove
Microsoft Silverlight 4 SDK is an application framework for writing and running rich internet applications. The Microsoft® Silverlight™ 4 SDK contains online documentation, online samples, libraries and tools for developing Silverlight 4 applications. Silverlight 4 include Support for Google's Chrome browser, web cam and microphone support, improved mouse support including right button support and mouse wheel support, enhanced controls ...
Microsoft Corporation
7% remove
Microsoft Silverlight 4 SDK is an application framework for writing and running rich internet applications. The Microsoft® Silverlight™ 4 SDK contains online documentation, online samples, libraries and tools for developing Silverlight 4 applications. Silverlight 4 include Support for Google's Chrome browser, web cam and microphone support, improved mouse support including right button support and mouse wheel support, enhanced controls ...
Microsoft Corporation
1% remove
The WCF RIA Services is a framework that provides a pattern to write application logic that runs on the mid-tier and controls access to data for queries, changes and custom.
Microsoft Corporation
7% remove
Microsoft Corporation
7% remove
Microsoft SQL Server 2005 Compact Edition (SQL Server Compact Edition) is designed for developers who need light weight, in process relational database solution for their applications that can be developed and deployed on desktop as well as on mobile devices. SQL Server Compact Edition Runtime can be used to develop and deploy applications on desktop.
Microsoft Corporation
1% remove
Vantage Linguistics
4% remove
iSEEK AnswerWorks employs an intuitive, natural language interface and semantic search technology, users can phrase their questions in everyday language and receive more accurate results. This technology is licensable to companies who require superior help and documentation search. iSEEK AnswerWorks is a search application developed by Vantage Linguistics (formerly distributed by Wextech product). The Answerworks product allows product ...

BehaviorsBehaviors

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

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 42.86%
Windows 7 Ultimate N 25.00%
Microsoft Windows XP 14.29%
Windows 8 7.14%
Windows 7 Home Premium 7.14%
Windows 8 Enterprise N 3.57%

Distribution by countryDistribution by country

United States installs about 72.22% of Silverlight Plug-In.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 35.29%
ASUS 35.29%
Intel 11.76%
Acer 11.76%
American Megatrends 5.88%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

Download it for FREE