safe file


IIS Worker Process/Http.sys Interface

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w3dt.dll. What is it?

The w3dt.dll is a IIS Worker Process/Http.sys Interface.

This file is part of Internet Information Services. W3dt.dll is developed by Microsoft Corporation. It’s a system and hidden file. W3dt.dll is usually located in the %SYSTEM% sub-folder and its usual size is 36,864 bytes.


The w3dt.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: IIS Worker Process/Http.sys InterfacePart Of: Internet Information ServicesCommon path(s): subfolder in %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 36,864 bytes, 24,064 bytes, 23,552 bytes, 26,112 bytes

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