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What does mwdocsearch.exe do and why does windows defender firewall complain about it.

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Nathan Royer 2022-3-21

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https://ww2.mathworks.cn/matlabcentral/answers/1676934-what-does-mwdocsearch-exe-do-and-why-does-windows-defender-firewall-complain-about-it

评论： Walter Roberson 2022-9-19

采纳的回答： Walter Roberson

Windows Defender Firewall has blocked som features of this app:

C:\program files\matlab\r2022a\bin\win64\mwdocsearc.exe

This is new after updating to r2022a

What does this executable do any why does it need network access?

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Nathan Royer 2022-3-21

what are the consequences of not allowing network access to this exectuable?

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Walter Roberson 2022-3-21

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https://ww2.mathworks.cn/matlabcentral/answers/1676934-what-does-mwdocsearch-exe-do-and-why-does-windows-defender-firewall-complain-about-it#answer_923439

mwdocsearc.exe implements searching the "doc" information.

Mathworks switched the default to searching mathworks.com for the documentation instead of looking locally on disk. As the documentation takes a fair bit of room, this can make downloads and installation faster, and the user always gets the most recent revision of the document.

There is a way to select local document search instead, but unfortunately I do not recall the details.

The consequences of not allowing network access would be that you might not be able to use doc

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Igor 2022-9-19

It looks plausible... But that's an ugly way to do that.

Walter Roberson 2022-9-19

Yes, especially as it looks to me as if there are other ways of doing it such as https://learn.microsoft.com/en-us/dotnet/api/system.diagnostics.process.getprocessbyid?view=net-6.0 which can get process information by ID.

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