Custom Action - Error 1001: Could not find file myApp.InstallState

Question

I have tried to create a custom action for a Visual Studio Installer project to modify the permissions for a config file.

The Installer.cs is as follows:

Answer 1

I had this problem when I didn't specify a custom action in my installer project for all four overrides (Install, Uninstall, Commit, and Rollback). As soon as I specified my project output as the custom action for all four, the issue went away.

The only overrides in my installer class that did anything were Commit and Uninstall; I think that Install was in charge of creating the InstallState file in the first place, and since it was never called the InstallState file was never created.