The w3ctrs51.dll is a W3 Service Performance Counters.
This file is part of Internet Information Services. W3ctrs51.dll is developed by Microsoft Corporation. It’s a system and hidden file. W3ctrs51.dll is usually located in the %SYSTEM% sub-folder and its usual size is 4,608 bytes.
The w3ctrs51.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.
Author: Microsoft CorporationProcess: W3 Service Performance CountersPart Of: Internet Information ServicesCommon path(s): subfolder in %SYSTEM%Keywords(s): systemFilesize(s): 4,608 bytes
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