macOS is Apple's operating system known for its stability and high security, much like OS X Yosemite. Nonetheless, occasional errors occur during usage, albeit not significant, they can be frustrating for users. One such error is encountered when attempting to delete files using the Finder file manager, with the error code being -43.
A Guide to Resolving macOS Error Code -43 When Deleting Files
Resolving macOS Error Code -43
Use the command line to restart the Finder file manager by typing killall Finder and pressing Enter.
Method 2: Utilize the key combination Cmd + Option + Esc to trigger Force Quit Application. Select Finder and click Relaunch to restart the Finder file manager.
This is a minor issue commonly encountered on Mac machines. Typically, restarting the affected program, such as Finder, resolves the problem. You can follow the two methods mentioned above to fix Error code -43 on macOS. If you wish to reinstall MacOS Sierra, you can do so by visiting this link for MacOS Sierra to download and reinstall.