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Various reasons will lead to MacBook crash. This post shows why your MacBook Pro or Air keeps crashing and effective solutions to fix a frozen Mac.

My MacBook Pro 2017 (i7, 32 GB RAM) keeps crashing nowadays. It often freeze or crash when I'm downloading a new app, chatting on Facebook or doing some operations simultaneously. RAM issue or what? Any help for the MacBook crash?

Kid hallow mac os. Relatively speaking, MacBook can provides you with a reliably and comfortable user experience. But it seems like that crashed computer is a common and inevitable issue, and it happens on MacBook too.

Macbook crashes out of nowhere and in many cases, it doesn't allow you to reboot. You have no choice but to stuck there and wait. How to fix a crashed MacBook Pro or Air, especially when it crashes randomly. Why MacBook/iMac keeps crashing? In the following parts, we will show you details about the reasons that MacBook crash and how to fix it.

Neonchimp is proud to announce that its latest game Crashbots is coming to Steam! Take control of the latest line of robots and test their fighting capabilities, agility, and endurance in various arenas filled with dangerous obstacles, booby traps and enemies. OS Version: Mac OS X 10.13.6 (17G14019) Report Version: 12 Anonymous UUID: 793A42C9-0177-8AFE-BB62-3F16080B727D. Sleep/Wake UUID: B3E41C77-E645-4A7D-9F62-4A4CBFE6F71D. Time Awake Since Boot: 400000 seconds Time Since Wake: 1200 seconds. System Integrity Protection: enabled.

• Part 1. Why MacBook Pro Keeps Crashing
• Part 2. How to Reboot and Fix a Crashed MacBook
• Part 3. How to Recover Data Caused by Crashed MacBook

Part 1. Why MacBook Pro Keeps Crashing

As we mentioned above, MacBook Pro/Air crash can be caused by a variety of reasons. When your Mac constantly crashes, you may wonder what happens while the Mac crashing process. This part will show you some typical reasons causing Mac crash.

• Third party software errors
• Some unknown Mac OS bugs
• Malware or virus infect Mac
• Damaged OS installation

• Corrupted kernel cache or NVRAM
• Faulty internal hardware or peripheral device
• Not enough RAM for software to run properly
• Insufficient CPU capacity for resource-intensive programs

Surely there are many other factors will cause your Mac freeze or crash. To know more about these reasons can help you better fix a crashed MacBook.

Part 2. How to Reboot and Fix a Crashed MacBook

After knowing the reasons why your MacBook keeps crashing, you take corresponding solutions to fix it. The following part will show some simple ways to fix a crashed Mac.

Reboot to fix the MacBook Pro crash

Rebooting Mac is always the first and worth-trying way to solve many problems. Considering that your Mac is freezing or crashing, you can't use the regular way to restart your Mac. Here you can take the manual way.

Fix the MacBook crash with Safe Mode

If your Mac crash is due to the corrupted kernel cache, you can rely on Safe Mode to get rid of it.

Clear caches to fix the MacBook Pro crash

With so many caches on your Mac, it can't offer you a brand new or normal performance. Similarly, too many useless apps' running will also stuck your Mac. Here you recommend a professional Mac Cleaner to help you better clear caches and better manage all types of data on Mac.

• Clean junk files created by Mac system, including temporary files, memory dumps, log files, event logs, old data, etc.
• Scan worthless cache data/logs quickly and delete all trash items to regain more Mac space.
• Remove unneeded iTunes backup files and delete unnecessary localization of apps.
• Monitor Mac performance in multiple aspects, like disk utilization, battery status, memory performance and CPU usage.

For more details about how to clear Mac caches, you can check the video below:

Install more system memory to fix a crashed MacBook

Sometimes, insufficient system RAM will easily cause your MacBook Pro/Air stuck or crash. To avoid this situation, you can add more system memory.

Reinstall or upgrade Mac OS to avoid MacBook crash

If your MacBook often crash and you don't want to reboot it all the time, you can try re-installing the Mac OS to fix the issue. You can also upgrade the Mac OS if there is an available one. New Mac OS will always fix some bugs in the earlier version.

Part 3. How to Recover Data Caused by Crashed MacBook

When MacBook is dead, you will try many solutions to fix it. While some wrong operations will easily cause important data loss during the fixing process. You can rely on the powerful Mac Data Recovery to get all lost files back if you are facing the data loss situation.

Mac Data Recovery is specially designed to recover various deleted/lost Mac files like images, documents, emails, audio, videos and more. It enables you to restore data from Mac, hard drive, flash drive, memory card, and digital camera.

Whether you lose data due to crashed Mac, deletion, formatted partition, hard drive problem, or other reasons, you can easily find them back with this recovering software.

We mainly talked about the MacBook crash issue in this post. We tell you some basic reasons why your MacBook Pro/Air or iMac keeps crashing. In addition, we shows some effective solutions to help you solve the problem. We also introduce you with a great Mac data recovery in case you want to restore lost Mac files. Hope you get all you need after reading this page.

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App Center Crashes will automatically generate a crash log every time your app crashes. The log is first written to the device's storage and when the user starts the app again, the crash report will be sent to App Center. Collecting crashes works for both beta and live apps, i.e. those submitted to the App Store. Crash logs contain valuable information for you to help fix the crash.

Follow the Getting Started section if you haven't set up the SDK in your application yet.

Also, crash logs on macOS require Symbolication, check out the App Center Diagnostics documentation that explains how to provide symbols for your app.

Note

In the 4.0.0 version of App Center breaking changes were introduced. Follow the Migrate to App Center SDK 4.0.0 and higher section to migrate App Center from previous versions.

Crash reporting in extensions

App Center supports crash reporting in macOS extensions. The usage is the same as in the container application.

Generate a test crash

App Center Crashes provides you with an API to generate a test crash for easy testing of the SDK. This API can only be used in test/beta apps and won't do anything in production apps.

Get more information about a previous crash

App Center Crashes has two APIs that give you more information in case your app has crashed.

Did the app receive a low memory warning in the previous session?

At any time after starting the SDK, you can check if the app received a memory warning in the previous session:

Note

This method must only be used after Crashes has been started, it will always return NO or false before start.

Note

In some cases, a device with low memory can't send events.

Did the app crash in the previous session?

At any time after starting the SDK, you can check if the app crashed in the previous launch:

This comes in handy in case you want to adjust the behavior or UI of your app after a crash has occurred.

Note

This method must only be used after MSACCrashes has been started, it will always return NO or false before start.

Details about the last crash

If your app crashed previously, you can get details about the last crash.

Note

This method must only be used after Crashes has been started, it will always return nil before start.

There are numerous use cases for this API, the most common one is people who call this API and implement their custom CrashesDelegate.

Customize your usage of App Center Crashes

App Center Crashes provides callbacks for developers to perform additional actions before and when sending crash logs to App Center.

To add your custom behavior, you need to adopt the CrashesDelegate-protocol, all of its methods are optional.

Register as a delegate

Note

You must set the delegate before calling AppCenter.start, since App Center starts processing crashes immediately after the start.

Should the crash be processed?

Implement the crashes:shouldProcessErrorReport:-method in the class that adopts the CrashesDelegate-protocol if you want to decide if a particular crash needs to be processed or not. For example, there could be a system level crash that you'd want to ignore and that you don't want to send to App Center.

Ask for the user's consent to send a crash log

If user privacy is important to you, you might want to get user confirmation before sending a crash report to App Center. The SDK exposes a callback that tells App Center Crashes to await user confirmation before sending any crash reports.

If you chose to do so, you're responsible for obtaining the user's confirmation, e.g. through a dialog prompt with one of the following options: Always send, Send, and Don't send. Based on the input, you'll tell App Center Crashes what to do and the crash will then be handled accordingly.

Note

The SDK doesn't display a dialog for this, the app must provide its own UI to ask for user consent.

The following method shows how to set up a user confirmation handler:

In case you return YES/true in the handler block above, your app should obtain user permission and message the SDK with the result using the following API. If you're using an alert for this, as we do in the sample above, you'd call it based on the result (ModalResponse) of runModal call.

Enable catching uncaught exceptions thrown on the main thread

AppKit catches exceptions thrown on the main thread, preventing the application from crashing on macOS, so the SDK can't catch these crashes. To mimic iOS behavior, set NSApplicationCrashOnExceptions flag before SDK initialization, this flag allows the application to crash on uncaught exceptions and the SDK can report them.

Note

App Center SDK set the flag automatically in versions 1.10.0 and below. Starting with version 1.11.0 this flag is no longer set automatically.

Disable forwarding of the application main class's methods calls to App Center Crashes

The App Center Crashes SDK uses swizzling to improve its integration by forwarding itself some of the application main class's methods calls. Method swizzling is a way to change the implementation of methods at runtime. If for any reason you don't want to use swizzling (e.g. because of a specific policy), you should override the application's reportException: and sendEvent: methods yourself in order for Crashes to report exceptions thrown on the main thread correctly.

1. Create ReportExceptionApplication.m file and add the following implementation:

   Note

   Swift's try/catch doesn't work with NSException. These exceptions can be handled in Objective-C only.

2. Open Info.plist file and replace the NSApplication in the Principal class field with your application class name, ReportExceptionApplication in this example.

3. To disable swizzling in App Center SDK, add the AppCenterApplicationForwarderEnabled key to Info.plist file, and set the value to 0.

Get information about the sending status for a crash log

At times, you want to know the status of your app crash. A common use case is that you might want to show UI that tells the users that your app is submitting a crash report, or, in case your app is crashing quickly after the launch, you want to adjust the behavior of the app to make sure the crash logs can be submitted. The CrashesDelegate-protocol defines three different callbacks that you can use in your app to be notified of what's going on:

The following callback will be invoked before the SDK sends a crash log

In case we have network issues or an outage on the endpoint, and you restart the app, willSendErrorReport is triggered again after process restart.

The following callback will be invoked after the SDK sent a crash log successfully

The following callback will be invoked if the SDK failed to send a crash log

Receiving didFailSendingErrorReport means a non-recoverable error such as a 4xx code occurred. For example, 401 means the appSecret is wrong.

Hides 5 3 3 x 2. This callback isn't triggered if it's a network issue. In this case, the SDK keeps retrying (and also pauses retries while the network connection is down).

Add attachments to a crash report

You can add binary and text attachments to a crash report. The SDK will send them along with the crash so that you can see them in App Center portal. The following callback will be invoked right before sending the stored crash from previous application launches. It won't be invoked when the crash happens. Here is an example of how to attach text and an image to a crash:

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Note

The size limit is currently 7 MB. Attempting to send a larger attachment will trigger an error.

Enable or disable App Center Crashes at runtime

You can enable and disable App Center Crashes at runtime. If you disable it, the SDK won't do any crash reporting for the app.

To enable App Center Crashes again, use the same API but pass YES/true as a parameter.

The state is persisted in the device's storage across application launches.

Note

This method must only be used after Crashes has been started.

Check if App Center Crashes is enabled

You can also check if App Center Crashes is enabled or not:

Note

This method must only be used after Crashes has been started, it will always return false before start.

Disabling Mach exception handling

By default, App Center Crashes uses the Mach exception handler to catch fatal signals, e.g. stack overflows, via a Mach exception server.

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The disableMachExceptionHandler-method provides an option to disable catching fatal signals via a Mach exception server. If you want to disable the Mach exception handler, you should call this method BEFORE starting the SDK. Your typical setup code would look like this: