Should I block it?

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

VersionsAdditional versions

4.0.60531.0 60.87%
4.0.51204.0 30.43%
2.0.31005.0 8.70%

Relationships

npctrl.dll

Silverlight Plug-In by Microsoft Corporation (Signed)

Remove npctrl.dll
Version:   4.0.51204.0
MD5:   9b25e7cbebca73b64c5a8f7b20eb64ee
SHA1:   c31c494aa7e88950c2bad1f3f98226fcac7cc84f
SHA256:   1206e4f8ae3aaae1bf05ccd28b21571d8d3801500aa63127cdd66bae00c681cf

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 and Microsoft Silverlight published 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:4.0.60531.0
Typical file path:C:\Program Files\microsoft silverlight\4.0.60531.0\npctrl.dll
File version:4.0.51204.0
Size:1000.32 KB (1,024,328 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:6.694660
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...

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 43.48%
Microsoft Windows XP 21.74%
Windows Se7en Titan 8.70%
Windows 7 Professional 8.70%
Windows Vista Ultimate 8.70%
Windows 7 Home Premium 8.70%

Distribution by countryDistribution by country

DZ installs about 13.33% of Silverlight Plug-In.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Lenovo 40.00%
Dell 40.00%
Acer 20.00%
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