84,488,480 programs installed

Should I remove Norton Online Backup?

What percent of users and experts removed it?
18% remove it82% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #224
United States Rank #207
Reach 2.4784%
Lifespan of installation (until removal)
< 14.09 days
415.76 days >
Average installed length: 218.45 days


VersionDistribution 1.84% 0.87% 7.35% 0.05% 0.98% 0.54% 6.68% 0.23% 0.12% 5.95% 3.29% 5.61% 0.84% 7.40% 0.13% 0.03% 0.03% 0.00% 0.68% 0.48% 0.05% 2.16% 0.01%
2.1.21089 0.44%
2.1.21086 0.12%
2.1.18320 0.15%
2.1.17869 52.18%
2.1.17242 0.86%
2.1.13580 0.84%
2.0.13939 0.04%
2.0.13139 0.02%
2.0.12372 0.00%
2.0.11335 0.02%
1.2.5640 0.01%
1.1.5124 0.00%

Other programs by Symantec

Norton Online Backup

What is Norton Online Backup?  (from Symantec)

Keep copies of your irreplaceable digital photos and important files safe from loss with secured, easy-to-use, professional-grade online backup. Norton Online Backup lets you quickly and easily recover your files in case of hard drive crashes, file system damage, or other data loss mishaps. If a computer disaster strik...  Read more


Norton Online Backup is a program developed by Symantec. The most used version is 2.1.17869, with over 98% of all installations currently using this version. Upon installation and setup, it defines an auto-start registry entry which makes this program run on each Windows boot for all user logins. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The programs's main executable is NOBuClient.exe and has been seen to consume an average CPU of less than one percent, and utilizes about 3.1 MB of memory. It also adds an icon to the Windows notifications area in order to provide access to the program. The software installer includes 6 files and is usually about 6.15 MB (6,451,309 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 55% of users of Norton Online Backup come from the United States, it is also popular in United Kingdom and Germany.

Program detailsProgram details

URL: us.norton.com/online-backup
Installation folder: C:\Program Files\Symantec\Norton Online Backup\
Uninstaller: MsiExec.exe /X{40A66DF6-22D3-44B5-A7D3-83B118A2C0DC}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 6.15 MB
Language: English (United States)

Program filesFiles installed by Norton Online Backup

Program executable:NOBuClient.exe
Name:Norton Online Backup
Norton Online Backup Service
Path:C:\Program Files\Symantec\Norton Online Backup\NOBuClient.exe
Taskbar:Displays an icon in the notification area
Norton Online Backup is an online data backup service that allows you to back up a maximum of five computers for an affordable price. It works with both Macs and Windows PCs, and your data is safe and secure. Unfortunately, you only have...
Additional files:
  • BuEng.dll - Backup.com Online Backup (Backup Engine x64)
  • NOBuAgent.exe - Norton Online Backup (Norton Online Backup Service)
  • NOBuClient.exe
  • ARA.exe - ARA

Program behaviorsBehaviors exhibited

Scheduled Task
  • NOBuClient.exe is scheduled as a task with the class '{FB65017C-A7F4-46F2-9A09-1B7A5A4A87C1}' (runs on registration).
Scheduled Task (Boot/Login)
  • NOBuClient.exe is automatically launched at startup through a scheduled task named 2.
  • NOBuAgent.exe runs as a service named 'Intel(R) Security Assist' (Intel(R) Security Assist) "Security Helper".
Startup File (All Users Run)
  • NOBuClient.exe is loaded in the all users (HKLM) registry as a startup file name 'NortonOnlineBackup' which loads as C:\Program Files\Symantec\Norton Online Backup\NOBuClient.exe.
Windows Firewall Allowed Program
  • NOBuClient.exe is added as a firewall exception for 'C:\Program Files\Symantec\Norton Online Backup\NOBuClient.exe'.
Network connections
  • NOBuAgent.exe connects to pele.backup.com ( port 80).

Program resource utilizationResource utilization averages

Memory:3.1 MB
21.09 MB average
Total CPU:0.0006794596%
0.031193% average
Kernel CPU:0.00052582%
0.016088% average
User CPU:0.00015364%
0.015104% average
CPU cycles/sec:59,870
8,062,084 average
I/O reads/min:3 Bytes
435.61 KB average
Memory:2.58 MB
Total CPU:0.0013360020%
Kernel CPU:0.00076936%
User CPU:0.00056665%
CPU cycles/sec:511,894
I/O reads/min:2.25 KB
I/O writes/min:1.48 KB
Memory:76.48 MB
Total CPU:0.0002388300%
Kernel CPU:0.00018560%
User CPU:0.00005323%
CPU cycles/sec:57,453,298
I/O reads/min:3.74 KB
I/O writes/min:0 Bytes

How do I remove Norton Online Backup?

You can uninstall Norton Online Backup from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Norton Online Backup, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Norton Online Backup.

Automatically starts? Yes
(Found in the run registry)
Uninstall it 18%
Keep it 82%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 54.25%
Windows 10 45.51%
Windows XP 0.13%
Windows Vista 0.11%
Which OS releases does it run on?
Windows 7 Home Premium 47.09%
Windows 8.1 19.14%
Windows 8 10.98%
Windows 10 Home 8.73%
Windows 8.1 Single Langua... 2.50%
Windows 7 Home Basic 2.39%

Distribution by countryGeography

55.29% of installs come from the United States
Which countries install it?
  United States 55.29%
  United Kingdom 5.79%
  Germany 3.90%
  Canada 3.88%
  Australia 3.31%
  Italy 3.07%
  France 3.01%
  Brazil 1.82%
  Netherlands 1.48%
  Sweden 1.34%
  Belgium 1.06%
  Spain 1.04%
  India 0.91%
  Norway 0.82%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 49.76%
Hewlett-Packard 22.51%
Samsung 14.25%
Toshiba 9.75%
MSI 2.71%
Sony 0.78%
Dell 0.23%
Common models
HP Pavilion dv6 Notebook ... 3.21%
Samsung 300E4C/300E5C/300... 2.80%
HP G62 Notebook PC 2.77%
Gateway NE56R 2.50%
Acer Aspire E1-571 2.45%
HP Pavilion dv7 Notebook ... 2.37%

About Symantec

Symantec developers security software for business and consumers and helps customers protect their computers, information, identities and infrastructure by delivering software and services that address risks to security with various products such as Norton AntiVirus, Internet security, and anti-spyware products e.
Publisher URL: www.symantec.com


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