It is a cleaner approach to erase a disk and would help you meet your requirements easily. If there is a problem with the Disk Utility application on your Mac, then you can try to do the same via Terminal. Method 4: Adjust the Security Levels for Formatting an External Device.Method 3: Erase Selected Volumes Instead.Here are some suggestions that you can implement to fix the Disk Utility erase process has failed error. Since there could be various reasons for getting the erase process has failed error on Mac, you might look for different ways to fix it. Part 2: Common Fixes to Solve 'Erase Process Has Failed' on Mac Therefore, if want to troubleshoot a problem or would like to format the disk, then you need to find ways to overcome it. As a result, we are not able to erase the Mac drive (or an external device) using Disk Utility. Once we get the 'Error Process has Failed' prompt on Mac, the Disk Utility halts the formatting process in between. The essential Mac components related to Disk Utility might not be initiated properly.Your system might be ruining an old or outdated macOS version.

Any other security-related issue could have stopped the process in between.

You could be trying to format a volume in Mac HD that might not be logically present.

If you are trying to format an external device and have removed it while formatting.

The presence of malware or virus on your Mac can also cause this problem.

The hard disk on your Mac might be corrupt or unavailable.

The following are some of the major reasons for the error to help you understand its causes. To learn different ways to fix the Mac Disk Utility erase process has failed error, it is important to diagnose it first. Part 1: Why the Erase Process Fails on Mac?

Part 4: Tips for Erasing a Disk Without Losing Data.

Part 3: A Complete Process to Erase Hard Drive on Mac.

Part 2: Common Fixes to Solve 'Erase Process Has Failed' on Mac.

Part 1: Why the Erase Process Fails on Mac?.

Disk utility erase process has failed