Ok, what I would try next is to run the app through terminal to see if any debug/error information is output to the console.
Open terminal. Navigate to the applications directory: >cd /Applications Then run the GIMP app from the terminal: >./Gimp.app/Contents/MacOS/Gimp Copy everything that is output on the terminal from that, and send it here. On Mon, Aug 17, 2015 at 12:12 PM Peter Giardina <pjgiard...@hargray.com> wrote: > I tried what you suggested. Before I describe what happened, let me > explain that I already have set system preferences, Security & Privacy, to > allow apps downloaded from anywhere. With that said, here's what happened > when I followed your instructions. The app opened, but not actually. That > is, the bar at the top of the screen says GIMP, but the bar is grayed back. > When I click on 'file' it does provide a drop down menu. Then I try to open > a new project and nothing happens. So that is where it stands right now. I > have also tried to open the app by double clicking on a file that was > created in GIMP, but it will not launch the program. > > I know this must all sound very confusing. I have been using Macs for > about 25 years and I have never experienced anything like this. > > Thanks for your help. > > > Peter > > > On 8/17/15 12:16 PM, Pat David wrote: > > So, Yosemite has a "feature" that will automatically _not_ run apps that > are from an 'unidentified' developer. This is _possibly_ what's happening > here. > > https://support.apple.com/kb/PH18657?locale=en_US > > So let's try this first: > > Using Finder, go to where you have the app (Applications folder). Use > Finder, not Launcher to get there. Hold "Control" and click on the app > icon, and choose "Open" from the shortcut menu. That should set the app as > a exclusion to this policy. The app _should_ open now. > > Try that and report back. > > On Mon, Aug 17, 2015 at 11:10 AM Peter Giardina <pjgiard...@hargray.com> > wrote: > >> I understand that you want to pick one install, but let me explain what >> is happening. >> >> I first tried to use the install by Simone Karin Lehmann at lisanet.de , >> because of the add-ons. However, when I click on 'download' it goes to >> SourceForge. I have read what was written about SourceForge on your site so >> that doesn't seem like a good option. >> >> When I click on *Download GIMP 2.8 from gimp.org <http://gimp.org>* for >> the torrent install, I receive the following file: * >> <http://download.gimp.org/pub/gimp/v2.8/osx/gimp-2.8.14.dmg.torrent>http://download.gimp.org/pub/gimp/v2.8/osx/gimp-2.8.14.dmg.torrent >> <http://download.gimp.org/pub/gimp/v2.8/osx/gimp-2.8.14.dmg.torrent>* (7 >> KB). When I try to open this link I get this message: Safari can’t open the >> file “gimp-2.8.14.dmg-4.torrent” because no available application can open >> it. >> >> So then I am left with clicking on: "If the torrent download doesn't >> work, you can also follow *this link*." Clicking on 'this link' does >> download the following file: gimp-2.8.14.dmg. I then open this file and it >> produces a file called, GIMP.app. I then drag that file into the >> Applications folder, and double click the icon to open the app. Instead of >> the app being opened, nothing happens. >> >> So, where do we go from here? >> >> >> >> >> On 8/17/15 11:21 AM, Pat David wrote: >> >> Just putting this back on the user list for visibility (please remember >> to "reply all" to make sure it gets to everyone). >> >> So, which one are you downloading to attempt to install? Let's pick a >> single one to keep things simple for the moment. >> >> When you get the .dmg file, can you drag the app into a simple location, >> like your desktop? Then try to launch the app from there. What happens >> when you try to launch it? >> >> On Mon, Aug 17, 2015 at 10:18 AM Peter Giardina <pjgiard...@hargray.com> >> wrote: >> >>> Hi, Pat! >>> >>> Thank you for your response. I'll try to answer your questions. >>> >>> I am attempting to install by going to gimp.org and then clicking on >>> the orange 'download' button. I then clicked on the following links on the >>> 'downloads' page. >>> >>> >>> Native builds >>> >>> Currently there are two main installers: >>> >>> A GIMP 2.8 DMG installer by Sven Claussner, stock GIMP build without any >>> add-ons. It works on OS X 10.6 Snow Leopard and later. Just open the >>> downloaded DMG and drag and drop GIMP into your "Applications" folder. >>> >>> Download GIMP 2.8 from gimp.org . If the torrent download doesn't work, >>> you can also follow this link. >>> A build by Simone Karin Lehmann, with some extra plug-ins and changes. >>> >>> Download GIMP 2.8 from lisanet.de >>> >>> >>> On one occasion, I thought I had downloaded the program successfully, >>> but after it was opened it would not respond, i.e. I could not open a new >>> project. Since it was not working properly, I have uninstalled the program. >>> >>> I am not seeing any error messages while trying to install. >>> >>> I am still running OS X Yosemite, version 10.10.4. >>> >>> I do not recall which install was on the computer before. >>> >>> I hope this helps. If necessary, I will try to provide any other >>> additional information. >>> >>> >>> Thanks for your help, >>> >>> Peter >>> >>> On 8/17/15 11:01 AM, Pat David wrote: >>> >>> Hi Peter! >>> >>> It's hard for us to diagnose how best to help you without more >>> information. >>> >>> How are you attempting to re-install it, and what is happening that is >>> preventing it from working? >>> What, if any, error are you seeing while trying to install? >>> Are you still on OSX Yosemite? If not, which version? >>> >>> Which install did you previously have on your machine? >>> >>> On Mon, Aug 17, 2015 at 9:56 AM Peter Giardina < >>> <pjgiard...@hargray.com>pjgiard...@hargray.com> wrote: >>> >>>> I previously had GIMP installed on my Mac (OS X Yosemite, version >>>> 10.10.4) and it was running perfectly. However, due to a set of >>>> circumstances with the Mac (I don't believe they were related to GIMP) >>>> the program began running poorly, if at all. I then uninstalled GIMP and >>>> attempted to reinstall it. However, I have not been able to do so. Also, >>>> since uninstalling GIMP, the problem with the computer has been fixed. I >>>> have tried both installers recommended on the 'downloads' page of your >>>> site. >>>> >>>> Please help with how I can successfully install GIMP. I like this >>>> program a lot, and would like to be able to continue using it. >>>> >>>> Thanks for your help, >>>> >>>> Peter Giardina >>>> >>>> _______________________________________________ >>>> gimp-user-list mailing list >>>> List address: <email@example.com>firstname.lastname@example.org >>>> List membership: >>>> <https://mail.gnome.org/mailman/listinfo/gimp-user-list> >>>> https://mail.gnome.org/mailman/listinfo/gimp-user-list >>>> List archives: https://mail.gnome.org/archives/gimp-user-list >>>> >>> >>> >> > _______________________________________________ gimp-user-list mailing list List address: email@example.com List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list List archives: https://mail.gnome.org/archives/gimp-user-list