This post is about how to fix app freezes or quits unexpectedly on macOS Sierra or other Mac OS. Please continue to read and you’ll learn to fix the annoying common application issues on your Mac.
"I was trying to open an app on my MacBook Pro running macOS Sierra, but the app freezes and then quits unexpectedly. How come? I'm new to Mac. How can I fix this trouble?"
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Mac is really a powerful personal computer but meanwhile a bit hard to use for those new to this dedicate device. Though Mac computers come with a superior macOS X/Captain/Yosemite/Sierra, troubles still crop up somehow, for example, a crashing app. Why would an app crash on Mac and how to fix this issue? For a further knowledge, please read on.
Normally speaking, if the app was downloaded from Apple App Store, it should be running well all the time. Reportedly, most apps that tend to freeze or quit unexpectedly are from other sources.
There is a clear reason why this is happening. That being said, the app is not compatible with the current macOS. Either you haven't updated the app to a newer version as to be compatible with the macOS, or app developers have not yet updated the app. There are feasible ways to try fixing this trouble, please go on reading.
Note that if the problem occurs after you upgraded to the latest macOS, you should go check for the app's documentation and see whether it's compatible with the current macOS.
So what to do when applications keep crashing on Mac? Since this is a common trouble that a number of Mac users have encountered, Apple has released a series of recommended suggestions for users to try out. Here I collect all of them and display to you.
Solution 1. Force quit the app. When the app gets frozen or unresponsive, you might as well try force quit it by going to "Apple menu" > "Force Quit". However, this would lead to the loss of unsaved changes. Then, restart the app and see whether it's working now.
Solution 2. Reboot your Mac and reopen the app. Another easy trick to perform is simply restart your Mac computer via "Apple menu" > "Restart". Then, relaunch the app.
Solution 3. Check for updates to the app or your Mac. You should make sure that both the Mac and the app stay up-to-date with the latest versions, for the potential bug causing the app to crash may be fixed in the latest software update.
Solution 4. Cut off connections with any peripheral devices. Another possible cause may be the connection with peripheral devices which has bad impact on the overall performance. Therefore, please disconnect any peripheral devices currently associated with your Mac.
Solution 5. Try Apple Diagnostics or Apple Hardware Test
If your Mac is running OS X v10.8.4 or later, then you can use built-in Apple Diagnostics or Apple Hardware Test to diagnose issues with your computer's internal hardware. (These two tools are named differently according to your Mac model and macOS version.) How to use them? Choose "Apple menu" > "Restart", then press and hold the "D" key while the Mac restarts. The two tool will automatically start. After that, please follow the onscreen instructions to finish.
Solution 6. Restart your Mac in Safe Mode.
Mac allows users to boot into Safe Mode and diagnoses problems with Mac. Here's a step-by-step tutorial to enter Safe Mode.
Step 1. Choose "Apple menu" and select "Shut Down".
Step 2. Press the "Power" button after your Mac shuts down.
Step 3. Press and hold the "Shift" key instantly after your Mac starts.
Step 4. Release the "Shift" key when you see the gray Apple logo and progress indicator.
Note that you can restart the Mac as to leave Safe Mode.
Then, you should open the app that is acting up. If it still crashes, the app itself should be to blame. I'm afraid you have to download and re-install the program for a try. To uninstall the faulted app, please jump to Solution 7.
Solution 7. Uninstall the crashing app and re-install it.
Macube Cleaner is a reliable Mac manager. It provides shortcuts for users to remove junk files, clutters, large & old files as well as delete file duplicates with ease. Also, this software can safely and thoroughly remove unwanted programs without a hitch.
Just download and install Macube Cleaner on your Mac and give it a go. Next, select the "Uninstaller" tab from the left panel and start scanning with a click on the "Scan" button. When apps are shown on the screen, you can highlight those unneeded and click "Clean" to say goodbye to them.
So far you must have learned quite a few ideas to fix application quit unexpectedly on macOS sierra problem and known how to get rid of a crashing app. Please drill down the solutions one by one. Hope these workarounds work on you. Good Luck!
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Then select which type of files you have lost, for example, photos, documents, and click Scan. You can view the missing files on the program and recover them.