safe file


WAS App Hosting library

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w3wphost.dll. What is it?

The w3wphost.dll is a WAS App Hosting library.

This file is part of Internet Information Services. W3wphost.dll is developed by Microsoft Corporation. It’s a system and hidden file. W3wphost.dll is usually located in the %WINDOWS% sub-folder and its usual size is 54,784 bytes.


The w3wphost.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: WAS App Hosting libraryPart Of: Internet Information ServicesCommon path(s): subfolder in %WINDOWS%Keywords(s): systemFilesize(s): 54,784 bytes, 46,080 bytes, 55,296 bytes, 56,320 bytes, 47,616 bytes

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