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Perfhost.exe
x86 Performance Counter Host
Description
The Performance Counter Dynamic Linked Library Host service enables remote users and 64-bit processes to query performance counters provided by 32-bit DLLs. If this service is stopped, only local users and 32-bit processes will be able to query performance counters provided by 32-bit DLLs.
Perfhost.exe is a 32-bit executable for a command line application that has no GUI.
This directory holds the 32-bit system files on the 64-bit editions of Windows. WOW stands for Windows On Windows. When a 32-bit program runs, Windows will simulate this directory as being c:\windows\system32 for backwards compatibility.
The WinSxS directory holds Windows Side-by-Side DLLs. WinSxS allows multiple versions of the same DLL (code libraries) to exist on the same system. This ensures that every application will get the DLL version they were tested and designed for. The result is improved application and system stability. See details for full directory location.
There are no known security risks in using Perfhost.exe assuming it has not been modified or replaced by virus or malware and it resides in the default directory. This file is installed as part of the Windows operating system.
Requires
The following
files are required when running this program. These may call other files, and there can be additional required files not in this list.
* indicates a file that is not required in all versions. Click on filename for details.
Additional Analysis
The newest version of Perfhost.exe requires a C++ library, and was likely written in Micorsoft Visual C++. It was likely built using Visual Studio 2008.
This program does not appear to be internally referenced by any other file.
The file perfhost.exe is a service that runs by itself. It is included as part of the standard Windows file set from Microsoft. Depending on the hardware and installation type it may not be active.
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