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What is shellext.dll?

Part of Microsoft Security Client by Microsoft

Download Boost and enjoy your PC. Speed up Microsoft Security Client and optimize your PC.

How is shellext.dll loaded?

Context menu handler - shellext.dll is typically associtated with identifier name of EPP. Windows Explorer displays a context menu for a file object when it is clicked with the right mouse button. This context menu allows various operations to be performed on the file object from within Explorer, like printing it or opening it with another program.
Approved shell extension - shellext.dll has a CLSID (globally unique identifier) of {09A47860-11B0-4DA5-AFA5-26D86198A780} with and identifier of EPP. When the system detects that the user is downloading an external program that runs as part of the Windows user interface, the system searches for a digital certificate or requests that the user approve the action. If you enable this policy, Windows only starts approved programs.
Screensaver - A screensaver is a type of computer program initially designed to prevent burn-in on CRT and plasma monitors by blanking the screen or filling it with moving images or patterns when the computer is not in use. Contemporary screensavers are used primarily for entertainment or security.
Microsoft Security Client is loaded by:

Community

What is the community is seeing?What is the community is doing?
About 0.5% of all Boost users have the shellext.dll file.Of the 0.5% of shellext.dll users, 12.5% have disabled it.
Typical file (disk image) location:
C:\Program Files\microsoft security client\shellext.dll

Are there other versions of Microsoft Security Client?

Why are multiple of the same versions listed?

What programs install shellext.dll?

Microsoft Security Essentials by Microsoft Corporation - Microsoft Security Essentials is an antivirus software product that provides protection against different types of malware such as computer viruses, spyware, rootkits and Trojan horses. It runs on Windows XP, Windows Vis
Program URL: go.microsoft.com/fwlink/?LinkID=195291&mkt=en-us
Install path: C:\Program Files\Microsoft Security Client
Size: 21.86 MB
Microsoft Security Client by Microsoft Corporation - Microsoft Security Client for Microsoft Security Essentials is an antivirus software product that provides protection against different types of malware such as computer viruses, spyware, rootkits and Trojan horses. Buil
Install path: C:\Program Files\Microsoft Security Client\
System Center 2012 Endpoint Protection by Microsoft Corporation
Program URL: go.microsoft.com/fwlink/?LinkId=225780&mkt=es-es
Program help URL: go.microsoft.com/fwlink/?LinkId=225780&mkt=en-us
Install path: C:\Program Files\Microsoft Security Client
Size: 21.98 MB
Microsoft Forefront Endpoint Protection by Microsoft Corporation - Microsoft Forefront is a family of line-of-business security software that are designed to help protect computer networks, network servers (such as Microsoft Exchange Server and Microsoft SharePoint Server) and individu
Program URL: go.microsoft.com/fwlink/?LinkID=195301&mkt=en-us
Install path: C:\Program Files\Microsoft Security Client
Size: 28.04 MB
Windows Intune Endpoint Protection by Microsoft Corporation
Program URL: go.microsoft.com/fwlink/?LinkID=206391&mkt=en-us
Install path: C:\Program Files\Microsoft Security Client
Size: 22.1 MB
Microsoft Security Essentials Prerelease by Microsoft Corporation - The Microsoft Security Essentials Prerelease program allows users to run the latest & greatest versions of Security Essentials before they are publicy available.
Program URL: go.microsoft.com/fwlink/?LinkID=228940&mkt=en-us
Install path: C:\Program Files\Microsoft Security Client
Size: 25.56 MB

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.131072)
Microsoft Windows XP (5.1.2600.196608)
Windows Vista (TM) Home Premium (6.0.6001.65536)
Windows Vista (TM) Business (6.0.6002.131072)
Windows Vista (TM) Home Basic (6.0.6002.131072)
Windows Vista (TM) Home Premium (6.0.6002.131072)
Windows Vista (TM) Ultimate (6.0.6002.131072)
Windows 7 Starter (6.1.7600.0)
Windows 7 Ultimate (6.1.7600.0)
Windows 7 Enterprise (6.1.7601.65536)
Windows 7 Home Premium (6.1.7601.65536)
Windows 7 Professional (6.1.7601.65536)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: shellext.dll
Publisher: Microsoft Corporation (verified)
Name: Microsoft Security Client
Description: Microsoft Security Client Shell Extension
Version: 4.2.0223.0
Size: 266.08 KB
Original file name: ShellExt.exe.mui

Digital certificate

Certificate authority: Microsoft Corporation
Expiration date: 10/26/2013

Context menu handler details

Name: LavasoftShellExt

Approved shell extension details

CLSID: {09A47860-11B0-4DA5-AFA5-26D86198A780}
Command: EPP

Screensaver details

Name: shellext.dll

Image hashes

MD5: 875e1a57b0d5469375f7060c226578db
SHA-1: 8d8929e2fc2e88667f5c7fa5eeb591ec9549d1a2
SHA-256: bff5a74b106dd4f7b6bf62ca319eb26167b4f2612d18ad3c534980540b2cf73a

PE image details

CLR assembly: Yes
CLR NGENed: No
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
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