All About Error NSPOSIXErrorDomain on Mac OS X

All About Error NSPOSIXErrorDomain on Mac OS X

Mac OS X is a powerful and widely used operating system that has been designed to provide a smooth and seamless computing experience to its users. However, like any other complex software, it is not immune to errors and issues. One such commonly encountered error on Mac OS X is the NSPOSIXErrorDomain error. This error can be frustrating for users as it can disrupt the functioning of their system and cause delays in their workflow. In this article, we will dive into the details of the NSPOSIXErrorDomain error and understand its causes, common symptoms, and effective solutions to fix it on Mac OS X.

Fix: Error NSPOSIXErrorDomain on Mac OS X

Fix: Error NSPOSIXErrorDomain on Mac OS X

Are you getting NSPOSIXErrorDomain Error on your Mac?

If yes, then you have come to the right place. NSPOSIXErrorDomain is a common error that occurs on Mac OS X and it can be a bit tricky to troubleshoot. But worry not, in this article, we will discuss what causes this error and how you can fix it.

What is NSPOSIXErrorDomain?

NSPOSIXErrorDomain is an error domain that is used by the operating system to report POSIX (Portable Operating System Interface) errors. These errors are related to file and system operations on Mac OS X.

Causes of NSPOSIXErrorDomain Error on Mac

There can be several reasons for the NSPOSIXErrorDomain Error on your Mac. Some of the common causes are:

1. Corrupted System Files: If any system files required for file operations are corrupted, it can result in the NSPOSIXErrorDomain error.

2. File Permissions: If the file you are trying to access does not have the appropriate permissions, you may encounter this error.

3. Outdated Software: Using outdated software on your Mac can also cause this error as the system may not be able to process certain file operations.

4. Hardware Issues: Sometimes the error can be caused by hardware issues like faulty hard drive or RAM.

How to Fix NSPOSIXErrorDomain Error on Mac

Now that we know what causes this error, let’s discuss how you can fix it. Here are some methods that you can try to resolve the NSPOSIXErrorDomain error on your Mac:

1. Restart your Mac: This may sound like a cliche, but it works most of the time. Many errors on Mac can be resolved by simply restarting your system.

2. Check File Permissions: If you are getting this error while trying to access a specific file, make sure that you have the appropriate permissions to access it. You can do this by right-clicking on the file, selecting Get Info and checking the permissions in the Sharing & Permissions section.

3. Update Software: As mentioned earlier, using outdated software can cause this error. Make sure that all your software and the operating system itself is up to date.

4. Repair Disk Permissions: Disk Permissions can sometimes get messed up, which can result in this error. To fix this, you can use the Disk Utility tool to repair disk permissions on your Mac.

5. Run Hardware Diagnostics: If none of the above methods work, then you may need to run hardware diagnostics to check if there are any issues with your hardware. You can do this by restarting your Mac while holding down the D key.

6. Reinstall the OS: If all else fails, you can try reinstalling the operating system on your Mac. This will replace all the system files and may fix the NSPOSIXErrorDomain error.


NSPOSIXErrorDomain error can be frustrating, but it is not a severe issue. You can try the above methods to fix the error. However, if none of them work, you may need to contact Apple support for further assistance. We hope this article was helpful in resolving the NSPOSIXErrorDomain error on your Mac.

Method 1: Uninstall any and all third-party firewall and security programs

Method 1: Uninstall any and all third-party firewall and security programs

Sometimes troubleshooting computer issues can be a tedious and frustrating process. One common issue that many users encounter is a conflicting third-party firewall or security program causing problems with their computer. This can cause a range of issues, from slow performance to system crashes.

The first step in troubleshooting this issue is to identify any third-party firewall or security programs that are installed on the computer. These programs can include antivirus software, firewall programs, and anti-malware tools. Once these programs have been identified, the user should attempt to uninstall them, one by one, to determine if any of them are causing conflicts.

To uninstall a program on a Windows computer, follow these steps:

1. Open the Start menu and search for “Control Panel.”

2. Click on “Control Panel” to open it.

3. In the Control Panel, click on “Programs” or “Programs and Features,” depending on your version of Windows.

4. A list of installed programs will be displayed. Scroll through the list and look for any third-party firewall or security programs.

5. Click on the program to select it, then click on “Uninstall” at the top of the window.

6. Follow the prompts to complete the uninstallation process.

7. Repeat this process for any other third-party firewall or security programs that are installed on the computer.

If the issue persists after uninstalling these programs, it is also recommended to check for any remaining files or folders related to the programs and delete them as well. This can be done by searching for the program name in the Start menu and deleting any relevant files and folders that appear.

After completing these steps, restart the computer to see if the issue has been resolved. If the issue persists, it is also recommended to check for any updates for the remaining firewall or security programs on the computer. Sometimes, outdated programs can also cause conflicts with the system.

In some cases, a third-party security program may have been installed by another program or by a virus without the user’s knowledge. If this is the case, it may be necessary to use a reputable antivirus software to scan the computer and remove any malicious programs or files.

In conclusion, if you are experiencing issues with your computer and suspect that a third-party firewall or security program may be the cause, it is recommended to uninstall these programs one by one and check for any remaining files or updates. This process can help identify and resolve any conflicts, improving the overall performance of the computer.

Method 2: Uninstall all Intego applications

Method 2: Uninstall all Intego applications

If you’re a Mac user, you may be familiar with Intego, a company that produces security and utility software specifically for Apple products. While these applications are known for their effectiveness in protecting and optimizing Macs, there are times when users may want to uninstall them for various reasons. In this blog post, we’ll discuss the steps to completely remove all Intego applications from your Mac.

Step 1: Quit all Intego applications
The first step before uninstalling any application is to make sure that it is not running in the background. To do this, simply quit all Intego applications and close any open windows.

Step 2: Check for built-in uninstallers
Most Intego applications come with a built-in uninstaller that can be accessed through the application’s menu or in the “Applications” folder. Look for an “Uninstall” option and follow the instructions to remove the application.

Step 3: Use the Intego uninstaller tool
If the application does not have a built-in uninstaller, Intego provides a specialized tool called the “Intego Uninstaller.” This tool can be downloaded from the Intego website and is designed to completely remove all Intego applications from your Mac in one go.

Step 4: Manually delete remaining files
Even after using the built-in uninstallers or the Intego Uninstaller tool, there may still be some residual files and folders left behind. To completely remove these, you can manually search for and delete any Intego-related files in the following locations:

• /Library/Application Support/Intego
• /Library/Application Support/Intego Common
• /Library/LaunchDaemons com.intego.*
• /Library/Preferences/com.intego.*
• ~/Library/Application Support/Intego
• ~/Library/Preferences/com.intego.*

Step 5: Empty trash and restart your Mac
Once you’ve completed all the above steps, empty your trash to permanently delete all the Intego-related files. Then, restart your Mac to make sure all changes take effect.

In conclusion, whilst Intego applications are effective in protecting and optimizing Macs, there may be times when their removal is necessary. By following the steps outlined in this post, you can easily and completely remove all Intego applications from your Mac. If you encounter any difficulties during the uninstallation process, you can contact Intego customer support for further assistance.


In conclusion, the NSPOSIXErrorDomain error on Mac OS X can be a frustrating issue for users, but it is a common occurrence that can be easily fixed with some basic troubleshooting steps. By understanding the NSPOSIXErrorDomain error code and its potential causes, users can effectively troubleshoot and resolve the issue. It is important to regularly keep Mac OS X updated and follow proper handling procedures for hardware and software to prevent this error from occurring. With the right knowledge and steps, the NSPOSIXErrorDomain error can be resolved quickly and users can continue to enjoy a smooth and efficient experience on their Mac OS X device.

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