2020年5月10日 · When I try to install Sierra, which is the OS my MacBook Pro shipped with, I get the message “An error occurred while preparing the installation. Try running this application again.”

2023年12月9日 · Upgrade to the latest macOS compatible with your Mac. In Disk Utility>View, select Show all Devices, highlight the top left entry. APFS won't work for Sierra or earlier, Sierra or earlier needs MacOS Extended Journaled. High Sierra won't work for APFS on earlier Macs.

The message might say that an error occurred while downloading, preparing, or installing, or that the software is damaged, could not be verified, or failed to personalize. The cause of messages like these can vary, and sometimes they're only temporary.

2017年8月21日 · First, verify that the network connection is working properly (which you can do from the Utilities > Network Utilities. If the network is working properly, try Utilities > Terminal and use the command date to check that the clock is correct. If it is incorrect, this can cause a "No Bag Entry". You can update it with: Example: date -u 0711141516.

2023年1月2日 · To fix error 50 on Mac, clear your cache, rename the problematic file, and prevent the computer from putting your disks to sleep.

2022年12月7日 · I am having an issue where large files transferred over Wifi from my Ubuntu server to my Macbook Pro are failing. I can transfer files <500MB without issue. I was getting error code 100060 but I was able to fix this by setting a static local IP. Now I'm getting code -51.

2024年1月4日 · Trying to install or update macOS and seeing the message “macOS could not be installed on your computer” is frustrating. This generic error doesn’t explain exactly why the installation failed, leaving you clueless on how to troubleshoot.

4 天之前 · Unable to install macOS 15.4 beta 4? Here are 5 ways to fix "Installation Failed" error while installing the latest macOS Sequoia beta.

2021年1月28日 · There are a variety of reasons Mac users may see the “installation failed” error when trying to download and install a particular MacOS software update, and we’ll go through some troubleshooting steps to help resolve the issue here.

2014年2月14日 · What does that Mac OS X error message mean? Our guide to getting to the bottom of Mac error messages will help you out.