Mac Troubleshooting Guide for Fixing the ‘your System has run out of Application Memory’ Error


When it comes to delivering top-tier performance, very few devices rival Apple’s powerful lineup of Macs. Each Mac, irrespective of its physical dimensions, packs enough power to perform any computational task without hassle. Moreover, the super polished and highly-optimized operating system of Macs, i.e., macOS, provides users with tons of top-tier features and functionalities that make using the device very exciting. To ensure Mac users have a flawless experience, Apple rolls out a major annual macOS update that features numerous enhancements and fixes. According to Apple, the upcoming macOS Ventura update will feature numerous upgrades in native applications like Safari and Spotlight. 

Even though Macs are built to last, and macOS is highly-optimized, they may exhibit numerous issues due to continuous usage throughout the years. One of the most common issues that most Mac users face is the “your system has run out of application memory error.” There are numerous reasons why the issue presents itself. It is sometimes caused due to problematic bugs, whereas other times, it is caused because there is not sufficient storage space left on a Mac. Thankfully, macOS offers users numerous ways following which they can conveniently fix the issue. This article will cover some of the most effective fixes to the “your system has run out of application memory” error. Let us get straight into it:

  • Get Rid of Unnecessary Applications

One of the most common reasons why the error presents itself is because there are too many applications that are active or installed on your Mac. They not only occupy massive storage space but also prevent your Mac from performing efficiently. Hence, if you wish to solve the issue and enhance the performance of your Mac, it would be best if you force-stop unnecessary applications or uninstall them to get rid of them permanently. If you wish to force stop any application that is malfunctioning or not responding, all you need to do is open your Mac’s Activity Monitor utility, navigate to the App tab, click on the app which is exhibiting issues, and “Force Stop” it. Similarly, if you wish to uninstall one or multiple applications, there are numerous ways following which you can conveniently do so. For instance, you can uninstall applications using the native Finder utility of macOS. Besides this, you can uninstall applications on your Mac using the drag-and-drop functionality of macOS and dragging files to the Trash folder. 

  • Delete Big Files and Folders

Big files and folders generally occupy the most space on Mac’s local drives. This prevents users from installing new files and applications on their Mac. Hence, Mac users should delete unnecessary files and folders to ensure that their device’s performance stays top-notch. If you are a macOS user and are wondering how to find large files on Mac, there are numerous ways following which you can do so. For starters, you can install CleanMyMac X, a powerful third-party utility that scans big, obsolete files and efficiently removes them. Besides these, you can also find and delete big files manually using native features like the “Optimize Storage” functionality or native apps like Finder and Terminal. Getting rid of big files and folders is an effective way to eliminate the “your system has run out of application memory” problem. 

  • Uninstall Browser Extensions

Even though browser extensions are powerful tools that facilitate users to perform numerous tasks, they sometimes become the reason for the “Your system has run out of application memory” error. Hence, it would be best to delete browser extensions you no longer use or require. Different browsers offer different ways by which users can get rid of browser extensions. For instance, if you use Safari, all you need to do to delete extensions is open the Safari Preferences tab, navigate to the Extensions tab and uninstall the extensions you wish to get rid of. On the other hand, if you use Google Chrome, you can uninstall extensions by opening the Extensions tab, clicking on the extension you wish to remove, and confirming by clicking on the “Remove” option. 

  • Download and Install the Latest macOS Update

As mentioned in the beginning, the error may be caused due to bugs. Therefore, Mac users should download and install the latest macOS update for a smooth experience. Users can navigate to their Mac’s “System Preferences” utility, click on the “Software Update” icon and check whether any new update is available or not. If a new software update is available, it would be best if they download and install it to ensure that their Mac’s performance stays top-notch. 

Even though Macs do not exhibit issues frequently, a few may arise due over time. If you own a Mac and are encountering the memory-related error, follow the effective fixes mentioned above to resolve the issue.

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