Jan 28, 2020  According to Apple, manual disk permission repair isn’t necessary anymore. MacOS Catalina, Mojave, High Sierra, and Sierra (and Mac OS X El Capitan) repair file permissions automatically during software updates. 'Mac OS X needs to repair your library to run applications' prompt continues to pop up. Archived 'Mac OS X needs to repair your library to run applications' prompt continues to pop up. Hi, this prompt keeps coming up no matter how many times I enter the Admin name and password. Select the Java Runtime Environment version 8u111 for Mac OS X as shown below. Make sure to read and accept the license agreement first or the download link won't work. Make sure to read and accept the license agreement first or the download link won't work. Fixed – ‘Mac OS Needs to Repair your Library to Run Applications’ Error on High Sierra By Remo Recover Data Recovery 0 Comments A number of users have upgraded to High Sierra for added security, better photos, and other fancy features.

1. Mac Os Needs To Repair Your Library To Run Applications Sierra
2. Mac Os Needs To Repair Your Library High Sierra

Your home folder contains many files and folders that apps on your Mac have permission to read or modify. If you use Get Info or other methods to change those permissions, you could experience issues such as these:

Ultimately what is needed is a way to quickly browse and manage another user account's files without altering too many aspects of the system.Fortunately, OS X's multiuser setup does allow for this to be done (to an extent) by launching an instance of the Finder in the name of the account you are trying to access, or in the name of the 'root' account on the system. Mac user folder location. It does need to be purposefully enabled, and bear in mind that because it has full access to the system it can be dangerous to use or keep active.First open the Directory Utility program either in the /Applications/Utilities/ folder or in the /System/Library/CoreServices/ folder in later versions of OS X. In OS X Lion you can get to the Directory Utility by clicking this 'Edit' button. Be sure to change the log-in window to show a name and password instead of a list of users.Screenshot by Topher Kessler/CNETUsing the root accountThe root account in OS X is the main top-level account that has access to all aspects of the system, and as a result can be used to browse any files.

• Changes that you make in System Preferences aren't saved after you quit System Preferences.
• Changes that you make to the Dock aren't saved after you log out of your user account.
• Windows that were open the last time you logged out or quit an app (before you changed permissions) open again after you log in or open the app.
• You're asked for an administrator name and password when moving certain items in the home folder.
• You repeatedly get a message that macOS needs to repair your Library to run applications.
• When saving changes to an item, you get a message that the file is locked or you don't have permission to save.
• Preview, TextEdit, or other sandboxed apps unexpectedly quit when opened.
• You get an alert that the startup disk has no more space available for application memory.
• Activity Monitor shows that Safari or SafariDAVClient is using a large amount of system resources.
• Your Mac performs slowly.
• iTunes says that your device cannot be synced.
• Photos and videos that you import into Photos or iPhoto don't appear within the app, but do appear in Finder. Or your library needs to be updated or reselected each time you open Photos or iPhoto.

Mar 18, 2020  Hold down the Option and Command keys while you open Photos on your Mac. In the dialog that appears, click Repair to start the repair process. You might be asked to type in your user account password to authorize the library repair. The repair tool analyzes the the library's database and repairs any inconsistencies it detects. Mar 24, 2020  Your Mac performs slowly. ITunes says that your device cannot be synced. Photos and videos that you import into Photos or iPhoto don't appear within the app, but do appear in Finder. Or your library needs to be updated or reselected each time you open Photos or iPhoto. Jun 15, 2017  Hi Howard. I have a late 2012 MBP which I just upgraded to High Sierra. Everything worked fine before the upgrade, and seems to work fine after the upgrade, except I get a continual message window stating “macOS needs to repair your Library to run applications”.

Reset permissions

If the issue started after changing the permissions of items in your home folder , use these steps to reset permissions.

1. Turn on or restart your Mac, then immediately press and hold Command (⌘)-R to start up from macOS Recovery.
2. You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.
3. When you see the macOS Utilities window, choose Utilities > Terminal from the menu bar.
4. Type repairHomePermissions in the Terminal window, then press Return. The Repair Home app opens.
5. Select your user account, click Next, then enter your administrator password. Click Next unlock the volume and begin resetting permissions on your home directory.
   
6. When done, click Exit to return to the macOS Utilities window.
7. Select Reinstall macOS, then click Continue and follow the onscreen instructions to reinstall macOS.
   

Mac Os Needs To Repair Your Library To Run Applications Sierra

If the issue persists

If resetting permissions doesn't resolve the issue:

Mac Os Needs To Repair Your Library High Sierra

1. Make sure that you have a backup of your Mac, then erase your startup disk.
2. When done, reinstall macOS.
3. After installation completes and your Mac restarts to the setup assistant, create a new user account using a different name than the one you were using before. Any difference in spelling is enough.
4. If you made a Time Machine backup, use Migration Assistant to restore all your files from the backup.