

Library/Application Support/GraphPad/Prism/6 Users\\/Library/Application Support/GraphPad/Prism/6/Prism Backupsĭon't confuse it with a similarly named path, which won't contain a Prism Backups folder. Note that the squiggle in front of that path tells you to look within the user's folder. Then empty the trash just to make sure it is gone. Delete the whole folder, not just the files within. ~/Library/Application Support/GraphPad/Prism/6/Prism Backupsĭon't just delete the files in that folder, delete (trash) the entire folder. If it is not checked, you will need to log in as Administrator. Make sure that the check box "allow user to administer this computer" is checked (in the accounts panel). Open system Preferences from the Apple menu.

The first time Prism runs, you must be logged with admin rights. For example, some people (but not all) say that Prism 5 is almost useless under El Capitan. When apple releases new versions of OS X, they sometimes make changes that prevent old versions of Prism from running. OTHER SIMPLE FIXES THAT MAY SOLVE THE PROBLEM Make sure you are not running an old version of Prism with a new version of OS X If you see a message similar to "only power users may install software" or "access denied," or "you are not authorized to perform this action" or "only Administrators may install prism" or "unable to save serial number file" then switch to this FAQ. Be sure to choose your hard drive, not the program CD or DMG 'drive'. Once inside the Disk Utility window, select the System disk, then go to the First Aid tab and then click the Repair Disk Permissions button.Run the Disk Utility located at: ":Applications:Utilities:Disk Utility".The steps explained below should be done routinely on a Mac (especially one running an older version of OS X) when things aren't working well. THE SECOND THING TO TRY: Repair disk permissionsĭisk permissions problems are common in Macs, but easy to fix. If using El Capitan, see this faq about a rare problem and how to bypass it.

