Forum posts for w3wp.exe

What is w3wp.exe?

I have a WCF service running under a service user on my local system. Every time I try to debug it is giving me a message Attach Security warning.

In Visual Studio, by default (even without attaching), I get this error:


Attaching to this process can potentially harm your computer. If the
information below looks suspicious or you are unsure, do not attach to
this process

Name: C:WindowsSystem32inetsrvw3wp.exe


What is w3wp.exe? According to a Google search, I think it is related to IIS. But what does it do? What setting should be changed so that this won't give this message everytime I try to debug on my local system?

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