Use the Finder menu to search for the Install MacOS 10.15 file and delete that file, reboot your system, and try and re-download the necessary files from the Mac App Store. If these issues aren’t the culprits of your Catalina woes, then you may want to check to see if the installation file has been corrupted or was only partially downloaded. You’ll be able to manage your storage here and free up some space, if needed. To check how much free space you have on your drive, click on the Apple menu on the top left corner of your screen, select About This Mac, and then go to Storage. Catalina’s download file is north of 6GB large, and you’ll need to have 15GB to 20GB of free space to complete the installation. If the error relates to the installation being unable to continue, one possible culprit could be low disk space. If you’re attempting to download the files over Wi-Fi, you may want to consider switching to a more stable wired Ethernet cable (if your Mac has an ethernet port) for better results. A likely culprit is that a lot of your fellow Mac users have been attempting to do the upgrade at the same time, and that’s putting extra stress on Apple’s servers. If you’ve encountered these error messages, stay calm and carry on (doing other things in the meantime), as it likely just means that Apple’s servers have been swamped. While the upgrade process to Catalina is fairly straightforward - you’ll find the update in Apple’s Mac App Store - some users have reported issues with being able to download the update.Ĭommon error codes, at least in the first few days of Catalina being made available for download, included messages like The network connection was lost or Installation of MacOS could not continue. The first step of your Catalina journey on an existing Mac is to get the operating system installed.

How to fix MacOS Catalina installation problems Dan Baker/Digital Trends This Mac malware can steal your credit card data in seconds Own an iPhone, iPad, or MacBook? Install this critical update right now

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