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:   3.0.40818.0
MD5:   11b27e47d0217c20bff2490ab657be67
SHA1:   f9a915d16fda0f5cc3ca3e3198b23153e8962429
SHA256:   8d70680a3476458b61d25b417d0505307dba975564157c958032eaf8362042a1

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 3 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:3.0.40818.0
Size:856.32 KB (876,872 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

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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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