Mac wont open any apps
The symptoms you describe can sometimes be fixed by running this utility. Run it now and see if it makes any difference.
- Tutorial: What to do when a Mac OS X application will not launch.
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- Fixing file permissions or deleting preferences may help..
- Mac applications won't start up. (Mail, Safari, Pref, etc.).
Start Up. I am so sorry for being so computer illiterate in this area, but how do I use Disk Permissions? The applications for me its itunes and skype and picasa, system updater I originally thought the problem was because I had not updated recently, but I had and then system updater wont even open just bounce once and wont open at all. I tried to reinstall picasa as another forum said but even the newly installed version did the one bounce and refused to open. Thank you so much for your help! Same Problem Open you Applications folder and then open your Utilities folder Find the Disk Utility application Launch it In the Left hand pane you will see your hard disk Click it once In the right hand pane, choose Repair Disk Permissions Let it run until it has finished.
Tutorial: What to do when a Mac OS X application will not launch - CNET
Quit Disk Utility Try to launch something from the dock P. Repairing Disk Permissions. Dear P, Thank you so much for responding so quickly. Unfortunately, I ran disk utilities and did everything you said and the applications still will not start up. It is so odd that it is just a few of my applications firefox, word, iphoto all still work thank goodness-- but itunes and skype and the others listed above just hop once and go nowhere , but, as I said before, even reinstalling them does not work.
Do you have any other suggestions? And if not, can you point me in the right direction? Still not opening I'll give it a little more thought and maybe someone else will pass by with a suggestion you could try.
You may want to copy and paste the command so you get it exactly right. In case you don't know, Terminal is found within the Utilities folder, which itself is found within the Applications folder.
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There can be quite a few reasons for an application to fail to launch, but the most likely cause, if you're running OS X Yosemite or earlier, is a disk permissions error. Disk permissions are flags set for each item in the file system. They define whether an item can be read, written to, or executed. Permissions are initially set when you install an application, such as Safari. The result may be a bouncing Dock icon, as you mentioned, and an application that never finishes launching.
Other times an application may appear to launch normally, but then some part of it fails to work, usually a plug-in that the application uses. Besides file permissions, there is the possibility of an apps preference files being the source for an app that is acting wonky and not starting up or working correctly. No matter which is the cause, these tips should help you fix the problem. As mentioned above, a common problem found in the earlier versions of OS X is the file permissions being set incorrectly. This can happen whenever you install a new app, update an app, or upgrade your copy of OS X.
All it takes is the installer to be coded incorrectly, and an app's permissions can be set incorrectly.
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You could install a new photo editing app, and it could accidentally set the permissions on a folder shared by another app incorrectly, causing the dreaded bouncing Dock icon or an app simply failing to start or work. The first thing to try in this situation is to repair disk permissions. You can find instructions on how to do this in the About: The other set of file permissions you may want to check are those associated with your user account.
However, some apps are placed in the user folder, so your user folder may also contain the preference files used by an application. You can find details on fixing user account permissions in the Mac Troubleshooting: Reset User Account Permissions guide.