WAS App Hosting library

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.


W3wphost.dll creates new records and folders in the Windows registry. Check your system performance to eliminate possible application conflicts and system failures. Free scan for PC issues (Special offer. See more information about Outbyte, uninstall instructions, EULA and Privacy Policy)


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


Malware risk: Scan your PC for viruses and Trojans
Some viruses infect computers while disguised in the form of legitimate files, like w3wphost.dll. Run an antivirus scan to ensure your PC is clean and safe.
Registry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)

User opinions

Add your comment

No comments found

Add your comment
Your name:
Your rating:
unrated file
Characters Type the characters you see in the picture:
Show another picture