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What is w3wp.exe?

Part of Internet Information Services by Microsoft

(w3wp.exe is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up Internet Information Services and optimize your PC.

How does w3wp.exe run?

Process - w3wp.exe is an instance of a running program. This 64-bit program executes with the privileges as the currently logged in user account. w3wp.exe is executed by the process svchost.exe (Host Process for Windows Services by Microsoft).


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the w3wp.exe process running.Of the 0.1% of w3wp.exe users, less than 1% have disabled it.
How resource intensive is w3wp.exe?
Comparison based on the average resource utilization across all programs.
0.00006% CPU644.2%
Average CPU utilization across all programs is 0.00001%.
          4 MB RAM18.6%
Average private memory utilization across all programs is 21.53 MB.
 4 /min0.2%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:

Are there other versions of Internet Information Services?

Why are multiple of the same versions listed?

What else is related?

What Windows OS versions does this run on?

Windows 8.1 Pro (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: w3wp.exe
Publisher: Microsoft Corporation (verified)
Name: Internet Information Services
Description: IIS Worker Process
Version: 8.5.9600.16384 (winblue_rtm.130821-1623)
Product version: 8.5.9600.16384
Size: 22 KB
Original file name: w3wp.exe.mui
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0001776809%
Privileged CPU: 0.0001132586%
User CPU: 0.00006442230246%
Privileged CPU time: 109.38 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 1,472,250,160
CPU cycle count /min: 3,680,324
Memory utilization averages
Committed memory: 53.43 MB
Peak committed memory: 53.94 MB
Paged memory: 4 MB
Peak paged memory: 4.03 MB
Paged system memory: 97.41 KB
Non-paged system memory: 22.97 KB
Working set memory: 9.99 MB
Peak working set memory: 10 MB
Min working set memory: 9.87 MB
Private memory: 4 MB
Page faults: 3,634
Page faults /min: 9
Process I/O averages
Total read operations: 981
Read operations /min: 2
Total read transfer: 347.7 KB
Read transfer /min: 890 Bytes
Total write operations: 890
Write operations /min: 2
Total write transfer: 30.22 KB
Write transfer /min: 77 Bytes
Total other operations: 1,158
Other operations /min: 3
Total other transfer: 93.31 KB
Other Transfer /min: 239 Bytes
Handle count average: 175
Thread count average: 10
Thread resource averages

Process details

Runs as (owner): User
Integrety level: High
Windows platform: 64-bit
Parent Process
Process Command
C:\Windows\System32\inetsrv\w3wp.exe -ap "DefaultAppPool" -v "v4.0" -l "webengine4.dll" -a \\.\pipe\iisipm43e7e284-c4f3-4fb6-aded-e457cd8e1a5d -h "C:\inetpub\temp\apppools\DefaultAppPool\DefaultAppPool.config" -w "" -m 0 -t 20 -ta 0

Image hashes

MD5: 53d274e63a0a3a2ac19d5684648cb49e
SHA-1: 8502b1e8149c813392d9b96913807d8613a58164

PE image details

CLR assembly: Yes
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
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