Symantec Corporation Norton Security Premium EXE NSBU.exe

Repair and Download NSBU.exe

Last Updated: 11/27/2023
[Average Article Time to Read: 4.7 minutes]

Norton Security with Backup files such as NSBU.exe utilize the EXE file extension. This file is considered a Win32 EXE (Executable application) file, and was first created by Symantec Corporation for the Norton Security with Backup software package.

NSBU.exe was initially released with Norton Security Premium 22.6.0.142 on 04/26/2016 for the Windows 10 Operating System. This is not only most recent release from Symantec Corporation, but it's the only version known in existence.

In this short article, you will discover detailed file information, steps for troubleshooting EXE file problems with NSBU.exe, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information ✻
File Name: NSBU.exe
File Extension: EXE file extension
Description: Norton Security with Backup
Object File Type: Executable application
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Symantec Corporation
Software Program: Norton Security with Backup
Legal Copyright: Copyright (c) 2015 Symantec Corporation. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x12222
Code Size: 74240
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What are NSBU.exe Error Messages?


NSBU.exe Runtime Errors

Runtime errors are Norton Security Premium errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these EXE errors are triggered when NSBU.exe is attempted to be loaded either when Norton Security Premium is starting up, or in some cases already running. Runtime errors are the most common form of EXE error you will encounter using Norton Security Premium.

In most cases, NSBU.exe runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these NSBU.exe error messages mean that Norton Security Premium was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, Norton Security Premium will be unable to start without resolving these errors.

Some of the most common NSBU.exe errors include:

  • NSBU.exe - Bad Image.
  • NSBU.exe Application Error.
  • NSBU.exe could not be found.
  • NSBU.exe could not be installed.
  • NSBU.exe could not be launched. Class not registered.
  • NSBU.exe could not be started.
  • NSBU.exe failed to initialize properly.
  • NSBU.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
  • NSBU.exe is not a valid Win32 application.
  • NSBU.exe is not running.
  • Cannot find NSBU.exe.
  • Error starting program: NSBU.exe.
  • Faulting Application Path: NSBU.exe.
  • The file NSBU.exe is missing or corrupt.
  • Windows failed to start - NSBU.exe.
System Error


The program can’t start because NSBU.exe is missing from your computer. Try reinstalling the program to fix this problem.

Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

Finding the source of the NSBU.exe error is key to properly resolving these errors. Although most of these EXE errors affecting NSBU.exe will happen during startup, occasionally you will encounter a runtime error while using Norton Security with Backup. This can occur due to poor programming on behalf of Symantec Corporation, conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of NSBU.exe errors can occur if it has been accidentally moved, deleted, or corrupted by a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix NSBU.exe Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your NSBU.exe issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the NSBU.exe error, please proceed to the Step 2 below.

Step 2: If recently installed Norton Security Premium (or related software), uninstall then try reinstalling Norton Security Premium software.

You can uninstall Norton Security Premium software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Norton Security Premium 22.6.0.142 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Norton Security Premium software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Norton Security Premium 22.6.0.142

Symantec Corporation

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many NSBU.exe error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the NSBU.exe error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your NSBU.exe File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate NSBU.exe file version. We maintain a comprehensive database of 100% malware-free NSBU.exe files for every applicable version of Norton Security Premium. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download NSBU.exe Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Norton Security Premium folder location:
    Windows 10: C:\Program Files (x86)\Norton Security with Backup\Engine\22.6.0.142\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve NSBU.exe problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download NSBU.exe Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying NSBU.exe to your appropriate Windows system directory. Symantec Corporation typically does not release Norton Security Premium EXE files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing NSBU.exe and all other EXE files for Norton Security Premium. An incorrectly installed EXE file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
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Files Related to NSBU.exe


EXE Files Related to NSBU.exe

File Name Description Software Program (Version) File Size (bytes) File Location
FileSyncHelper.exe Microsoft OneDriveFileSyncHelper Microsoft OneDrive (19.174.0902.0013) 2139768 C:\Users\Bill\AppData\Local\
Sevntx64.exe Symantec Symevent Installer Symantec Core Technology (SevInst64.exe : 14.0.1.40..SymEvent64.sys : 14.0.1.33) 351296 C:\Program Files\WindowsApps\Microsoft.ZuneMusi...
cltRT.exe Symantec Shared Component Consumer Licensing Technologies (15.6) 255672 C:\Program Files\WindowsApps\Microsoft.XboxApp_...
InstStub.exe Norton Security with Backup Norton Security with Backup (22.6.0.142) 1475256 C:\Program Files\WindowsApps\Microsoft.GetHelp_...
cltLMH.exe Symantec Shared Component Consumer Licensing Technologies (15.6) 1041080 C:\Program Files\WindowsApps\Microsoft.StorePur...

Other Files Related to NSBU.exe

File Name Description Software Program (Version) File Size (bytes) File Location
WmiApRpl.ini Windows Initialization Norton Security Premium 22.6.0.142 29736 C:\Windows\inf\WmiApRpl\0009\
api-ms-win-core-heap-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 18248 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
diagwrn.xml Extensible Markup Language Norton Security Premium 22.6.0.142 44683 C:\Windows\Panther\UnattendGC\
diagerr.xml Extensible Markup Language Norton Security Premium 22.6.0.142 44109 C:\Windows\Panther\UnattendGC\
api-ms-win-core-synch-... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 20088 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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