What is NBShell.dll?

The genuine NBShell.dll file is a software component of Nero BackItUp by Nero.
NBShell.dll is a DLL (Dynamic Link Library) file that belongs to Nero BackItUp program, an application designed to backup up important data to Nero's cloud storage network. DLL files store data, code and resources needed by one or more programs in order to function correctly. This is a critical component for Nero BackItUp and should not be directly removed.

Nero BackItUp was originally a part of the Nero Burning ROM Suite, but later was sold as a standalone product. The product offers the backup utility for up to five computers and unlimited mobile devices including iOS, Android and Windows. The program can be assigned to automatically backup data from hard disks (USB & Internal HDD drives), CD/DVD/Blu-ray discs, network storage space and the cloud.

Nero is a German software developer best known for their flagship disc burning software program, the Nero Suite. Richard Lesser founded the company in 1995 as Ahead Software GmbH but the company changed their name to Nero in 2005. Nero became quite popular after many OEMs (original equipment manufacturers) decided to bundle the suite with their hardware products. Nero is headquartered in Karlsruhe, Germany.

NBShell stands for Nero BackItUp Shell

NBShell.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if NBShell.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for NBShell.dll related errors

NBShell.dll file information

The process known as Nero BackItUp or Nero BackItUp Application belongs to software Nero BackItUp (version 10) or Nero 7 Essentials or Nero BackItUp Help or Nero 7 Ultra Edition by Nero AG (

Description: NBShell.dll is not essential for Windows and will often cause problems. The file NBShell.dll is located in a subfolder of "C:\Program Files (x86)" (mainly C:\Program Files (x86)\Nero\Nero 7\Nero BackItUp\). Known file sizes on Windows 10/8/7/XP are 73,728 bytes (48% of all occurrences), 263,464 bytes and 8 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. It is not a Windows system file. The program can be uninstalled in the Control Panel. NBShell.dll is a Verisign signed file. NBShell.dll is certified by a trustworthy company. Therefore the technical security rating is 45% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software publisher Nero provides update information ( You could uninstall Nero 7 Premium or Nero BackItUp from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify NBShell.dll related errors

Important: Some malware camouflages itself as NBShell.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the NBShell.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

how i can remove NBShell.dll from my pc
Nero BackItUp - Bestandteil der Brennsuite Nero 7
  Holger   (further information)
If you use a legal Version of Nero 7, it is ok. If You got it from filesharing could be a Problem...

Rating chart

Summary: Average user rating of NBShell.dll: based on 6 votes with 3 user comments. One user thinks NBShell.dll is essential for Windows or an installed application. One user thinks it's probably harmless. 3 users think it's neither essential nor dangerous. One user suspects danger.

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Best practices for resolving NBShell issues

A clean and tidy computer is the key requirement for avoiding problems with NBShell. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the NBShell.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

NBShell.dll [all]