Viewing downloaded HTML pages or previewing pages from a text editor or Web site design app in a browser can be a routine activity for many of us. But what do you do when you get this unexpected error? Safari can’t open the page. The error is “The operation couldn’t be completed. (kCFErrorDomainCFNetwork error 1.)” (kCFErrorDomainCFNetwork:1) It seems like a deep and elaborate problem. Fortunately, the answer is straightforward: macOS is telling you that you haven’t given Safari permission
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