I had a situation that struck me as odd.

  • I opened an image which I had downloaded via browser save-as.
  • After the finder/OS initiated the file-open,
  • a modal dialog momentarily flashed, typical to when a .dmg file is being opened.
  • This went away without interaction, and the file opened in Preview.

What could have caused this?

Are there known viruses that hijack part of the process?

It may be relevant: I opened the file via Firefox Nightly, using the download manager to reveal-on-disk


You must log in to answer this question.

Browse other questions tagged .