What is buShell.dll?
buShell.dll is an DLL file which belongs to the process Backup Shell which comes with the Software Backup Component developed by the software developer Symantec.
The .dll extension of the buShell.dll file specifies it is a Dynamic-link library file.
Malware and viruses are also transmitted through DLL files. So we must be sure before opening any unknown DLL file on our computers. I have faced these DLL corrupt or malware issues many times.
We will check if the buShell.dll file is a virus or malware. Whether it should be deleted to keep your computer safe? Read more below.
Is buShell.dll safe to run? Is it a virus or malware?
Let’s check the location of this DLL file to determine whether this is legit software or a virus. The location of this file is mentioned below.
File Location / Danger rating: C:Program Files (x86)Norton 360Engine5.2.2.3
To check whether the DLL file is legit you can start the Task Manager. Then click on the columns field and add Verified Signer as one of the columns.
Now, look at the Verified Signer value for buShell.dll process if it says “Unable to verify” then the file may be a virus.
File Name | buShell.dll |
Software Developer | Symantec |
File Type | DLL |
File Location | C:Program Files (x86)Norton 360Engine5.2.2.3 |
Software | Backup Component |
If the developer of the software is legitimate, then it is not a virus or malware. If the developer is not listed or seems suspicious, you can remove it using the uninstall program.
How to Fix buShell.dll Errors
To fix the missing buShell.dll file you can perform a system restore to restore all missing DLL files on your system.
If the system restores didn’t fix the DLL issue, then you can run System File Checker to fix corrupt DLL files on your Windows system.
How To Remove or Uninstall buShell.dll
To remove buShell.dll from your computer do the following steps one by one.
- If the DLL file is part of a software program or game, then it will also have an uninstall option. Then you can run the Uninstaller located a directory like C:>Symantec>Backup Shell orBackup Component >buShell.dll_uninstall.dll
- Or the buShell.dll was installed using the Windows Installer then to uninstall it Go to System Settings and open Add Or Remove Programs Option.
- Then Search for buShell.dll or the software name Backup Component in the search bar or try out the developer name Symantec.
- Then click on it and select the Uninstall Program option to remove buShell.dll file from your computer. Now the software Backup Component program along with the file buShell.dll will be removed from your computer.

buShell.dll DLL Frequently Asked Questions
How do I fix issues with buShell.dll?
You can fix most of buShell.dll issues by updating your drivers, uninstalling and reinstalling the software, disabling the buShell.dll.dll service, or contacting Backup Component support for further assistance.
Can I remove buShell.dll from my computer?
Yes, you can remove buShell.dll dll file from your computer if you no longer need it. To do this, go to the Control Panel, select “Programs and Features,” and locate the Backup Component software. Right-click on the software and select “Uninstall.”
Does Backup Component software’s buShell.dll file work on Mac computers?
No, buShell.dll DLL file associated with Backup Component software is designed for Windows computers only. So, it does not work on Mac computers.
I hope you were able to learn more about the buShell.dll dll file and how to remove it.
Let us know in the comments below if you face any other buShell.dll issues.

He is the founder of howtodoninja.com and is an experienced tech writer and a cybersecurity enthusiast with a passion for exploring the latest technological advancements. He has 10 years of experience in writing comprehensive how-to guides, tutorials, and reviews on software, hardware, and internet services. With an interest in computer security, he strives to educate users by writing content on how to use technology, and how to also protect their smart devices and personal data from cyber threats. He currently uses a Windows computer, and a Macbook Pro, and tests hundreds of Android phones for writing his reviews and guides.