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What is msonsext.dll?

Part of SharePoint Portal Server by Microsoft

Download Boost and enjoy your PC. Speed up SharePoint Portal Server and optimize your PC.

How is msonsext.dll loaded?

Approved shell extension - msonsext.dll has a CLSID (globally unique identifier) of {BDEADF00-C265-11D0-BCED-00A0C90AB50F} with and identifier of Web Folders. 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.


What is the community is seeing?What is the community is doing?
About 0.2% of all Boost users have the msonsext.dll file.Of the 0.2% of msonsext.dll users, 20.0% have disabled it.
Typical file (disk image) location:
C:\Program Files\common files\microsoft shared\web folders\msonsext.dll

Are there other versions of SharePoint Portal Server?

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)

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: msonsext.dll
Publisher: Microsoft Corporation (verified)
Name: SharePoint Portal Server
Description: Microsoft Web Folders
Version: 11.0.6715.15
Size: 1.23 MB
Original file name: msonsext.dll

Digital certificate

Certificate authority: Microsoft Corporation
Effective date: 1/5/2005
Expiration date: 4/5/2006

Approved shell extension details

CLSID: {BDEADF00-C265-11D0-BCED-00A0C90AB50F}
Command: Web Folders

Image hashes

MD5: 9e524d61fc4fe4cf163c42d8a0c6a2f6
SHA-1: a5b9b7ca584ae32942995d831db630e95da19d26
SHA-256: 9218380d5781b00b27a7fb7664da1abe5ab64147a5cd6e065b6b9b0aea32ba7c

PE image details

File entropy: 6.76031
File packed: No
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