Updated to Mohave a couple of weeks ago. I cannot download a file from any website using Safari. The file are PDF files. This wasn't a problem until a few days ago. I'm on a Mac Pro. I also have a used MacBook Air that I just got a week ago. Update to Mojave. I just tried downloading a file for the first time. Same problem. When I click download, I get this message:
Safari Can't Open Page (website address)
The error is: "The operation couldn't be completed.
Safari Can't Open Page (website address)
The error is: "The operation couldn't be completed.