Bertus

I'm afraid that's not gonna work bc I use IMAP configuration.

Thanks for your reply! It's not a website I visit, just clicking a (spam) e-mail message in my Outlook Inbox. If the message contains one or more links to external pages, the pop-up may already be triggered. But that in itself is not a problem either, just the fact that at this point the pop-up is the active window, makes…