Follow these steps to use the Photos library repair tool:
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.
- 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.
- Mar 17, 2019 #1 just update from OsX 10.11 to macOs Sierra. After rebooting I keep getting this message: 'macOs needs to repair your Library to run application. Type your password to allow this.' I google around a bit, but of course there is nothing about the last Apple Os.
- Dec 02, 2018 As soon as i log on to the second user, i get the message 'Mac OS needs to repair your library to run applications'. There is a space for admin user and password and repair button, i input these but they are not accepted. I cannot use any apps on this user and can't access system preferences etc.
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. Depending on the size of your library, this might take some time. When the process is completed, Photos opens the library.
If you repair a library that's automatically updated with iCloud Photos, the entire contents of the library re-updates with iCloud after the repair process completes.
A number of MacOS users have upgraded their devices to High Sierra for a number of reasons. Added security, clear photos and fancy features are some of these reasons. Though this sounds a substantial move, the majority are hit by ‘macOS needs to repair your library to run applications’ message just after the update.
The message pops up each time you open an application in your mac. To help you enjoy the Mojave or High Sierra new features, try to fix the macOS library using the following options.
Fixing ‘macOS needs to repair your library to run applications’ error
Follow these steps to fix the macOS needs to repair your library issue:
With the release of way back in 2011, Apple removed easy access to the user’s Library folder. Mac can't find library folder windows 10. Although arguably well-intentioned, this change was frustrating for longtime Mac power users.
Solution 1: Run the First Aid Feature
This feature is used to repair disks. You can also use “First Aid” to diagnose your apps when they are not running properly. You can also use it when you get the message “macOS needs to repair your library to run applications after migration.” Follow these steps to run First Aid.
- Navigate to Finder and select Utilities.
- Click on Disk Utility then select First Aid.
- Press ‘Run’ on the first Aid dialogue that comes into view
Wait for this feature to finish the required repair process. Reboot your Mac and check if the applications are running smoothly. If the solution is unable to fix the issue, try the next alternative.
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Solution 2: Fix the Exact Application Producing the Error
If a specific application is producing the error message;
- Click on ‘Option and Command’ keys to open the application
- Click on ‘Repair’ to repair the application from the pop-up window that shows up.
Wait for few minutes for the program to repair. Restart your device and check if the issue is resolved.
Solution 3: Use the Terminal
- Restart your Mac and click “Command + R” key to enter the recovery mode
- Proceed to utilities and open terminal
- Click reset password and press “return”
- Select your system drive which in this case is Macintosh HD/SSD then select your preferred username
- Press on ‘Reset Home folder Permissions and ACL key’
Once you are done with this procedure, restart your machine and see if the error message is still there. If yes, you should consider reinstalling High sierra.
Solution 4: Reinstall High Sierra
The error might occur as a result of you not having a successful Mojave upgrade. As such, you may consider reinstalling High Sierra following these steps.
- Restart your Mac and press “Command + R” when the startup sound appears. This will take you to recovery mode.
- While in the recovery menu, Reinstall Mac OS and press continue.
- Choose Macintosh HD/SSD which is your Mac hard drive
- Choose install and follow the prompted procedure to finish the installation process.
NB: Before you initiate this process, ensure you have a backup. Reinstalling will delete the whole data on your Mac.
Any of these four solutions should repair Mojave. If they both fail to fix MacOS library, downgrade to Sierra and check if the problem is resolved.
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The other Export option only produces converted or compressed versions, and dragging the image to the desktop quietly downsamples it, producing a lower-resolution file.PowerPhotos lets you bring up a photo in the Finder via a menu item, whether in the Photos library or elsewhere.If you’re willing to purchase some third-party help, PowerPhotos lets you view and modify the contents of any Photos library, and also right-click any picture to select View Original, which opens up the folder within the Photos library in which the original is contained, and selects the file. The best method would be File Export Export Unmodified Original. This makes a copy instead of revealing or moving the original file, but it also means you get exactly what you want. Mac photos change library location.