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What is perfhost.exe?

Part of x86 Performance Counter Host by Microsoft

(perfhost.exe is a system file that is installed with Windows)

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How does perfhost.exe run?

Service - perfhost.exe runs as a background Windows Service, which is part of the Window's operating system under the service name Host de DLL de Contador de Desempenho.

Community

What is the community is seeing?	What is the community is doing?
About 0.1% of all Boost users have the perfhost.exe process running.	Of the 0.1% of perfhost.exe users, less than 1% have disabled it.

Typical file (disk image) location:

C:\windows\syswow64\perfhost.exe

Are there other versions of x86 Performance Counter Host?

perfhost.exe - version 6.3.9431.0 (winmain_bluemp.130615-1214)

perfhost.exe - version 6.2.9200.16384 (win8_rtm.120725-1247)

perfhost.exe - version 6.2.8400.0 (winmain_win8rc.120518-1423) (this)

perfhost.exe - version 6.1.7600.16385 (win7_rtm.090713-1255)

perfhost.exe - version 6.0.6001.18000 (longhorn_rtm.080118-1840)

What else is related?

themeui.dll (Windows-Design-API by Microsoft)

sstext3d.scr (Direct3D-Textbildschirmschoner by Microsoft)

photoviewershim.dll (Windows Live Photo Gallery by Microsoft)

logonui.exe (Windows-Anmeldebenutzeroberfläche by Microsoft)

msxml4a.dll (Microsoft(R) MSXML 4.0 SP1 by Microsoft)

msxml4r.dll (Microsoft(R) MSXML 4.0 SP1 by Microsoft)

msxml4.dll (Microsoft(R) MSXML 4.0 SP 2 by Microsoft)

freecell.exe (Entertainment Pack FreeCell Game by Microsoft)

wiaacmgr.exe (Windows Picture Acquisition Wizard by Microsoft)

prodaiintl1033.dll (ProdAddInIntl by Microsoft)

mimectl.dll (Microsoft® Exchange by Microsoft)

msvcp60.dll (Microsoft (R) Visual C++ by Microsoft)

rstrui.exe (System Restore Application by Microsoft)

dismhost.exe (Dism Host Servicing Process by Microsoft)

bcmsqlstartupsvc.exe (Business Contact Manager for Microsoft Outlook 2010 by Microsoft)

msonsext.dll (Microsoft Office by Microsoft)

encwcbar.dll (Microsoft Encarta by Microsoft)

workfolderssvc.dll (Microsoft® Work Folders Service by Microsoft)

appreadiness.dll (AppReadiness by Microsoft)

ole32.dll (Microsoft OLE for Windows by Microsoft)

microsoft.biztalk.brmacontrols.dll (Microsoft (R) BizTalk (R) Server 2010 by Microsoft)

ssoconfig.exe (Microsoft® Enterprise Single Sign-On by Microsoft)

What Windows OS versions does this run on?

Windows 8 Release Preview (6.2.8400.0)

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...

www.microsoft.com

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