Security Warning for Project Dialog Box

The Security Warning for Project dialog box appears if you open a project that has been downloaded from the internet, or if you create a new project or open an existing project by using a Universal Naming Convention (UNC) path.

If you click OK, the dialog box will not appear again for the same project when it’s loaded as part of the same solution by the same user on the same machine (assuming the hidden .suo file isn’t deleted).

To prevent the Security Warning for Project dialog box from appearing each time a new user opens a project that has been downloaded from the internet, unblock the .zip file before you extract the project. For more information, see How to: Use an Assembly from the Web in Visual Studio. (The page is about assemblies, but the unblocking procedure is the same for .zip files.)

By default, a UNC path is not a trusted location for a project. To prevent the Security Warning for Project dialog box from appearing each time a new user opens a project on a UNC path, move the project to a trusted location that you can reference without using a UNC path.

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