This dialog appears when the application checks for updates, and you can not do anything with it; this is inherent to ClickOnce deployment. It also basically checks the server to make sure that nothing has changed in your deployment (i.e. it has been changed).
You can stop using automatic updates and use updates manually instead, and also write some programs for this, but frankly, this is a big problem just to not open basically the security / progress dialog. It would be easier to educate users ...
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