Should I block it?

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

VersionsAdditional versions

5.1.10516.0 0.50%
5.1.10516.0 1.34%
5.1.10411.0 47.23%
5.1.10411.0 12.25%
5.0.61118.0 1.26%
5.0.61118.0 0.42%
4.1.10329.0 33.47%
4.1.10111.0 1.26%
4.0.60831.0 0.08%
4.0.60129.0 0.08%
4.0.50826.0 0.25%
3.0.40818.0 0.67%
3.0.40624.0 1.17%

Relationships

npctrl.dll

Silverlight Plug-In by Microsoft Corporation (Signed)

Remove npctrl.dll
Version:   5.0.61118.0
MD5:   36a0f250c766d27bfe5a953c1a65b696
SHA1:   92768ed58a9aa62c473bf59a219962fb1cf733e7
SHA256:   315245f19457c554faf52070c9024dda6442e343fcc0a6104782bf0131b25cb0

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 5 SDK 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:4.1.10111.0
Typical file path:C:\Program Files\microsoft silverlight\4.1.10111.0\npctrl.dll
File version:5.0.61118.0
Size:1.15 MB (1,209,160 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Friday, January 11, 2013
Digital DNA
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Microsoft Corporation
3% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
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
7% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
4% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
9% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
7% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
8% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
1% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
9% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
6% remove
he Microsoft Silverlight 5 SDK provides libraries and tools for developing Silverlight 5 applications. Microsoft Silverlight is an application framework for writing and running rich internet 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 such as a RichTextBox and an enhanced DataGrid...
Microsoft Corporation
1% remove
Microsoft Corporation
9% remove
Microsoft Corporation
1% remove
Microsoft Corporation
9% remove
ReSoft Ltd.
  83% remove
Snap.Do Engine is an ad-supported (users may see additional banner and in-text link advertisements) cross web browser plugin for Internet Explorer (BHO) and Firefox/Chrome (plugin) and distributed through various monetization platforms during installation such as FIRSERIA via onesappz.com. The browser extension includes various features that will modify the default or custom settings of the browser including the home page, search settin...
ReSoft Ltd.
  69% remove
Shopping Helper Smartbar is a potentially unwanted web browser extension that is ad-supported and will display various popup and banner ads as well as modify the user's web browser search and home page settings. This plugin will update Internet Explorer (as a BHO), Chrome (as an extension) and Firefox (as an add-in). In some cases, the program will monitor a user's behavior (which the user agreed to if they did not read the full EULA) a...
Skype Technologies S.A.
5% remove
The video calling feature in Facebook powered by Skype is an in-browser Skype-based video chat which enables users to video conference their Facebook friends. Facebook provides users with two choices to initiate a call. You can choose someone from your online Facebook chat contacts and then hit the video button in the discussion window. Features: - Face-to-face video calls - Video call button at the top of the chat window - Add e...

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 Home Premium 33.50%
Microsoft Windows XP 18.50%
Windows 7 Ultimate 14.50%
Windows 8 Pro 7.50%
Windows Vista Home Premium 7.50%
Windows 8 4.50%
Windows 7 Starter 2.50%
Windows 7 Professional 2.50%
Windows 7 Home Basic 2.50%
Windows Vista Home Basic 2.00%
Windows 8 Pro with Media Center 1.50%
Windows 8.1 Pro 1.00%
Windows 8.1 Enterprise 0.50%
Windows 8.1 Pro Preview with Media Center 0.50%
Windows 8 Enterprise 0.50%
Windows Seven Black Edition 0.50%

Distribution by countryDistribution by country

United States installs about 39.20% of Silverlight Plug-In.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 20.08%
Hewlett-Packard 18.47%
Acer 15.26%
ASUS 13.65%
Toshiba 8.03%
Sony 6.43%
Lenovo 6.43%
Gateway 3.21%
Intel 2.41%
Samsung 2.01%
GIGABYTE 1.61%
American Megatrends 1.61%
Compaq 0.80%
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