84,488,480 programs installed

Should I remove NSU?

What percent of users and experts removed it?
2% remove it98% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #19,722
United States Rank #28,299
Reach 0.0112%
Lifespan of installation (until removal)
< 14.35 days
423.41 days >
Average installed length: 222.47 days


2.10.1038 0.45%
2.02.1030 58.82%
2.02.1026 0.90%
2.02.1019 3.17%
1.00.1000 28.96%
1.00.0001 7.69%



NSU is a program developed by ZyXEL. The most used version is 2.02.1030, with over 98% of all installations currently using this version. Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. 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 main program executable is NSU.exe. The software installer includes 25 files and is usually about 52.52 MB (55,070,644 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 22% of users of NSU come from the United States, it is also popular in Germany and United Kingdom.

Program detailsProgram details

URL: www.zyxel.com
Installation folder: C:\Program Files\ZyXEL\NSU
Uninstaller: C:\Program Files\InstallShield Installation Information\{A3EA81D6-07A2-4116-9EA3-60B741572FD6}\setup.exe -runfromtemp -l0x0009 -removeonly
Estimated size: 52.52 MB
Language: English

Program filesFiles installed by NSU

Program executable:NSU.exe
Path:C:\Program Files\ZyXEL\NSU\NSU.exe
Additional files:
  • NDU.exe - NSA Series (Discover NSA devices on LAN)
  • MediaInfo.dll (by http://mediainfo.sourceforge.net) - MediaInfoLib (Library to read info about media files)
  • wxbase290u_net_vc_custom.dll (by wxWidgets development team) - wxWidgets (wxWidgets for MSW)
  • wxbase290u_vc_custom.dll (by wxWidgets development team)
  • wxmsw290u_adv_vc_custom.dll
  • wxmsw290u_aui_vc_custom.dll
  • wxmsw290u_core_vc_custom.dll
  • wxmsw290u_html_vc_custom.dll
  • libeay32.dll
  • NSU.exe

Program behaviorsBehaviors exhibited

Scheduled Task
  • NSU.exe is scheduled as a task with the class '{0E0CB996-54D5-4A62-B8C9-7918C08963A2}' (runs on registration).
Startup File (User Run)
  • NSU.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'NSU' and executes as C:\Program Files\ZyXEL\NSU\NSU.exe.
2 Windows Firewall Allowed Programs
  • NDU.exe is added as a firewall exception for 'C:\Program Files\ZyXEL\NSU\NDU.exe'.
  • NSU.exe is added as a firewall exception for 'C:\Program Files\ZyXEL\NSU\NSU.exe'.

How do I remove NSU?

You can uninstall NSU 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 NSU, 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 NSU.

Win 7 (SP1) 63%
Win XP 0%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 2%
Keep it 98%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 64.25%
Windows 10 25.34%
Windows XP 7.69%
Windows Vista 2.71%
Which OS releases does it run on?
Windows 7 Home Premium 25.45%
Windows 7 Professional 19.09%
Windows 7 Ultimate 16.82%
Microsoft Windows XP 7.73%
Windows 10 Home 4.55%
Windows 8.1 Pro 4.09%

Distribution by countryGeography

21.65% of installs come from the United States
Which countries install it?
  United States 21.65%
  Germany 18.61%
  United Kingdom 17.75%
  Netherlands 5.63%
  Poland 4.76%
  Switzerland 4.33%
  Austria 4.33%
  Czech Republic 4.33%
  DK 3.46%
  Italy 2.60%
  Finland 1.73%
  Greece 1.73%
  Taiwan 1.30%
  Norway 1.30%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 20.39%
Acer 17.48%
ASUS 16.50%
Hewlett-Packard 13.59%
Medion 4.85%
Lenovo 2.91%
Toshiba 2.91%
Samsung 1.94%
MSI 0.97%
American Megatrends 0.97%
Compaq 0.97%
Common models
ASUS All Series 2.91%
HP EliteBook 8560p 1.94%
Gigabyte GA-970A-DS3 1.94%
HP Pavilion dv6 Notebook ... 1.94%
TOSHIBA Satellite C660 1.94%

Publisher URL: www.zyxel.com


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