Fixed: Nsc.Exe Application Error [In Easy Steps]

Nsc.exe is a file that is associated with Norton antivirus, a popular security software that protects your computer from viruses, malware, and other threats. However, sometimes this file can cause problems and errors on your system, affecting its performance and stability. In this blog post, we will explain what Nsc.exe is, what are the common causes and symptoms of its errors, and how to fix them easily and effectively.

What Is Nsc.Exe Application?

The Norton Security Component, often known as Nsc.exe, is a crucial component of Symantec Corporation\’s Norton antivirus program. The connection and interaction between the Norton software and other Windows programs, including browsers, email clients, and network services, is controlled by this file. Nsc.exe also continuously scans the system for any potentially harmful activity and alerts the user if it is found.

Nsc.exe can typically be found in the C: Program FilesNorton SecurityEngine folder. Depending on the Norton software version that is currently installed on your computer, its file size may vary. It\’s critical to remember that the file has a digital signature attesting to its integrity and authenticity.

What Are The Common Causes Of Nsc.exe Errors?

NSC.exe errors commonly occur due to various reasons. One primary cause is corrupted or missing system files necessary for the proper functioning of the NSC.exe process. Malware or virus infections can also lead to NSC.exe errors by corrupting or interfering with the executable file.

Nsc.exe errors can occur due to various reasons, such as


  • File Nsc.exe is damaged or missing
  • Viral infection caused by malware
  • The Norton software is outdated or incompatible
  • Security programs in conflict
  • Issues with the registry
  • Hardware problems

Common Symptoms

  • High CPU or memory usage by the Nsc.exe process
  • Error messages related to Nsc.exe
  • Slow or unresponsive system
  • Frequent crashes or freezes
  • Unable to launch or update Norton software

Solutions To Nsc.exe Errors

Step1 Run The DISM And SFC Scans


Open the Command Prompt as an administrator by typing “cmd” in the search bar. Right-click on the Command Prompt result and select “Run as administrator”.

For the DISM scan, input the command: dism /online /cleanup-image /restorehealth. This command checks your Windows component store for corruption and automatically rectifies any detected issues.

For the SFC scan, type: sfc /scannow. This command scans all protected system files, replacing any corrupted or missing ones with a cached copy. Once both scans are complete, restart your computer to implement any changes.

Step2 Check For Faulty Software


Open Windows Settings (Windows+I). Navigate to “Apps” > “Apps & Features”. Scroll to find the program causing the issue, click on it, and select “Uninstall”. Follow the prompts to complete the uninstallation process.

Step3 Scan Your Computer For Malware


Download and run a scan with Malwarebytes to ensure your device is malware-free. Malwarebytes is a widely-used anti-malware software known for its efficacy in detecting and removing malware that other software might overlook. Follow the Malwarebytes installation process, and once installed, initiate a scan. If any malicious programs are detected, quarantine them.

Step4 Check For Updates


Ensure your operating system, drivers, and other software are current. If errors began after an update, consider uninstalling that specific update patch. To check for Windows updates, press Windows+I, navigate to “Windows Update”, and click “Check for updates”.

Step5 Disable Unnecessary Startup Programs


Launch Task Manager (Ctrl + Shift + Esc). Navigate to the “Startup” tab and disable programs that aren\’t essential during startup.

Step6 Run A Memory Test


Press Windows+R and type “mdsched.exe”. This launches the Windows Memory Diagnostic tool. Choose to either restart your PC and run the test immediately or schedule it for the next startup.

Step7 Check Your Hardware


Inspect your computer’s hardware components for potential damage or failure. Ensure all connections are secure. Use the Windows Device Manager (devmgmt. msc) to check your RAM, hard drive, graphics card, and other hardware components for errors.

Step8 Try A System Restore


Access the System Restore option by typing “system restore” in the search bar. Follow the prompts to revert your system to a previously saved state.

Step9 Reset Your PC


If all else fails, consider resetting your PC to its default settings. Ensure you back up essential data before proceeding. Navigate to Settings (Windows+I) > System > Recovery and click on the “Reset PC” button.

Frequently Asked Questions

Q1. What is the primary function of Nsc.exe?
Ans: Nsc.exe manages communication between Norton antivirus and other Windows applications, and monitors for threats.

Q2. Is Nsc.exe a safe file?
Ans: Yes, when it\’s a genuine part of Norton antivirus.

Q3. How can I determine if the Nsc.exe on my system is genuine?
Ans: Check its location (C:\\Program Files\\Norton Security\\Engine\\) and its digital signature.

Q4. Can I delete or disable Nsc.exe?
Ans: It\’s not recommended as it\’s essential for Norton antivirus. Disabling or deleting it may affect the software\’s functionality.

Q5. How often do Nsc.exe errors occur?
Ans: Infrequently, but it depends on system configurations and other software interactions.


Nsc.exe is an important file that is part of the Norton antivirus software. It helps to protect your system from various threats and ensure its smooth operation. However, sometimes Nsc.exe can cause errors that can affect your system’s performance and stability. To fix these errors, you can follow the solutions mentioned above. If none of them work, you can contact Norton support for further assistance.

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