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Error Code 43 on Mac – How to Fix It [Solved]

What Is Error Code 43 on Mac?

Error Code 43 on Mac - How to Fix It Are you trying to solve an issue stemming from Error code 43 on your Mac? If so, this article will help you establish what caused the issue and how to fix it.

You can encounter Error code 43 when your Mac is unable to locate a specific file and can’t complete a related action, such as moving the file to Bin or copying it to another location.

More specifically, Error code 43 on Mac appears when the system encounters a problem with a particular file or folder. This could be caused by an incorrect file or folder permissions, a problem with the file or folder’s location, or an unexpected error. The error may also appear when attempting to delete a file or folder, or when attempting to move or copy a file or folder.

Error Code 43 Details

Name Error Code 43
Type Mac Error
Short Description Could be caused by an incorrect file or folder permissions, a problem with the file or folder’s location, etc.
Symptoms Unable to locate a specific file and can’t complete a related action.
Program MacOS
Fix Tool Try this fix to repair your Mac from errors and optimise system performance:



What Is Causing Error Code 43?

Even though this error is not that common in later macOS versions, it can still appear and cause problems. The error itself could be triggered by several specific conditions.

One of the most common reasons for Error Code 43 is having a special character in the file name that could cause issues. Longer file names can also be the cause for the error to occur. Another reason is if the said file is being used at the same moment you are trying to move it. Or if the file hasn’t been fully downloaded or locked.

Lastly, another possible cause for this error is having a hard drive issue, in which your Mac can’t locate the file on your disk.

Is Error Code 43 on Mac Dangerous?

Error code 43 on a Mac is generally not dangerous. The error usually indicates that a particular file or folder cannot be accessed due to an issue with its permissions or some other similar issue. It can usually be fixed by restarting the computer or using a disk utility program to repair the disk.

How to Fix Error Code 43 on Mac?

1. Check the power supply.

Check the power supply connected to your Mac to make sure it is providing enough power. Low power can cause Error Code 43 on Mac.

2. Reset the NVRAM.

  1. Shut down your Mac and unplug the power cord.
  2. Press and hold the power button for at least 10 seconds.
  3. Release the power button and plug the power cord back in.
  4. Turn the Mac back on and press and hold the Command, Option, P, and R keys at the same time.
  5. Keep holding the keys until you hear the startup chime for the second time.
  6. Release the keys and let the Mac boot up as normal.
  7. Once the Mac is booted up, open System Preferences and click on the Startup Disk.
  8. Select the startup disk and click the Restart button.
  9. This will reset the NVRAM on your Mac and should fix the error code 43.

3. Check your disk permissions.

Check the permissions of your disk to make sure they are set correctly. If they are not, this can cause Error Code 43 to occur.

4. Check for hardware issues.

If the above steps do not work, there may be a hardware issue causing Error Code 43. Try an external hard drive or a different cable to see if that helps. You may also need to replace the faulty hardware.

Error Code 43 Alternative Fixes

If these fixes do not seem to help, you may also try the following repairs.

1. Close any apps or programs that may be in conflict.

When you get errors, like this one, often conflicting apps may be the case. Below, you can find the solutions for closing conflicting apps on macOS:

Go to Activity Monitor, mark any processes you believe are suspicious and close them by clicking the “X” button on top left above them.

After you have done this fix, you should observe if this error shows up again when you start or stop a specific process.

2. Update and Re-install Any Software You Believe is Problematic.

Go to Applications and drag the icon of your program to Bin to uninstall it. For macOS, you can go to your AppStore and click on the “Updates” tab to check if any applications are out of date.

3. Install the latest updates of your OS.

Go to System Preferences – Software Update and check for a newer macOS version. You will see a button to install it and Upgrade if its available.

4. Scan your computer for errors and optimise it automatically.

If you have tried most of the fixes, but you keep getting error messages, then the best advice to go for is to make sure and check your computer for:

You can do all of this by running an automatic scan of your computer using a professional anti-malware software. Such an advanced tool is created by cybersecurity and tech experts and is guaranteed to help detect and delete any malicious files and whatever may be causing errors and optimise your computer to make it fast again:



Spy Hunter scanner will only detect the problem. If you want the issue to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter

Mac Errors – Frequently Asked Questions

What are Mac Errors?

Mac errors are faulty problems of macOS. They are different types, affecting various programs running on your Mac.

Since macOS is frequently updated, it is easier to fix such errors, due to the way this operating system is constructed.

What Do Mac Error Codes Mean?

Error Codes on Mac are how your macOS explains the different types of problems that can occur on it. The number of the Mac Error code pops up on your screen, and it shows you the error with some explanatory text to help you fix it.

These error codes exist for both small and bigger problems, and in some cases, they can mean that there is a significant issue with your device.

Why Do I See Errors On My Mac?

The reasons may vary. These can be due to a badly written code, faulty software, external app modifying your app, incompatibility, problems with the resources required to run the app, and even a Mac malware infection.

What Types of Mac Errors Exist?

Just like with Windows devices, there are some general error types with Mac as well, including:

  • Runtime Errors – when you execute a program and it fails due to badly written code, incompatibility with the program and web servers or other problems, like malware.
  • Logic Errors – something in the logic makes the program fail to return results.
  • Arithmetic Errors – a type of logic error, which involves miscalculation due to an erroneous configuration or code that does not fit the same logic as the system reads it.
  • Resource Errors – when your device does not meet the resources required to run a program or if the program is coded faulty, so it requires more resources than necessary.
  • Interface Errors – when there is a difference between what an app is meant to do and what it actually does.
  • Compilation Errors – when the compiler of a software fails to turn complicated code into a simple language, understandable by your Mac.

Which are The Most Common Mac Errors?

According to different sources and online forums, the most commonly encountered errors on Mac carry the following codes:

  • Error Code 36 – when Finder fails to read or write a file on your Mac.
  • Error Code 41 – caused by malware, outdated software or corrupted files and directories.
  • Error Code 50 – when you fail to copy and paste a file onto another drive, like USB or an external SSD or HDD.
  • Error Code 2003F – it shows up when you try reinstalling your macOS in Recovery Mode. Possible causes include bad sectors in the hard disk, malware, etc.

What to Do If I See a Mac Error?

If you see an error on your Mac, your first job is to check the meaning of it. Then, you can see reputable forums, like Apple Discussions or SensorsTechForum in order to find different types of fixes for the problem.

How to Stop Getting Mac Errors?

You cannot. As long as there are people writing the code, there will always be the human error factor. However, there are several measures that you can take in order to significantly reduce the chance of getting a Mac Error:

  1. Check and update your Mac and your Apps (if possible) to the latest version on a daily basis.
  2. Install a relevant and reputable anti-malware for Mac.
  3. Install an optimizer for your Mac, which will keep all your apps updated, remove junk software, and improve your Mac’s health.
  4. Only install apps from trusted sources.

Milena Dimitrova

An inspired writer and content manager who has been with SensorsTechForum since the project started. A professional with 10+ years of experience in creating engaging content. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles! Follow Milena @Milenyim

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