Wes, I went to the Firefox prefs, selected 'Applications' and scrolled down to 'Portable Document Format' and next to it I changed that to 'Use Adobe Reader (default)' and that did the trick. It's OK now. Paul Moortgat On 16 Oct 2013, at 04:49, Wes James wrote: > You probably have some corrupted settings files. Remove them from ~/Library/Preferences and/or delete your profile in ~/Library/Application Support/Firefox/Profiles/some-weird-folder-name. Or just rename the some-weird-folder-name to something else if you want to try and salvage any bookmarks which you can get in bookmarkbackups. > > -wes > > > On Tue, Oct 15, 2013 at 3:32 PM, Paul Moortgat <paul.moortgat at pandora.be> wrote: > http://prime.be/assets/AZ/TV-gids.pdf > but now after a crash of the Mac (10.6.8) I can't open it anymore in Firefox 24. > It will open in Safari. > I tried to install different extra readers, but it will not work anymore. > > I can read an error message partly that the pdf reader is not adequate to open the file. > > Paul Moortgat