84,488,480 programs installed

Should I remove Nielsen Online?

What percent of users and experts removed it?
3% remove it97% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #32,317
United States Rank #20,573
Reach 0.0041%


VersionDistribution 2.50% 11.25% 41.25% 23.75% 6.25% 13.75% 1.25%

Nielsen Online


Nielsen Online is a software program developed by Nielsen. The most common release is, with over 98% of all installations currently using this version. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. Manually stopping the service has been seen to cause the program to stop functing properly. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The setup package generally installs about 10 files and is usually about 126.96 MB (133,126,302 bytes). The installed file NielsenUpdate.exe is the auto-update component of the program which is designed to check for software updates and notify and apply them when new versions are discovered. Relative to the overall usage of users who have this installed on their PCs, most are running Windows 10 and Windows 7 (SP1). While about 80% of users of Nielsen Online come from the United States, it is also popular in Italy and France.

Program detailsProgram details

URL: www.nielsennetpanel.com
Installation folder: C:\Program Files\NetRatingsNetSight\NetSight
Uninstaller: C:\Program Files2\NETRAT~1\NetSight\NSSetup.exe /uninstall
Estimated size: 126.96 MB

Program filesFiles installed by Nielsen Online

  • nielsenonline.exe (by The Nielsen Company) - NielsenOnline
  • NielsenUpdate.exe (by The Nielsen Company)
  • nsmgrutil.exe
  • nsmmc.dll
  • nsmmgr.dll
  • NSSetupx64.exe

Program behaviorsBehaviors exhibited

Scheduled Task (Boot/Login)
  • nielsenonline.exe is automatically launched at startup through a scheduled task named 1.
  • NielsenUpdate.exe runs as a service named 'Nielsen Update' (NielsenUpdate) "Abilitare gli aggiornamenti di applicazione automatica per l'applicazione Nielsen".
Startup File (All Users Run)
  • nielsenonline.exe is loaded in the all users (HKLM) registry as a startup file name 'NielsenOnline' which loads as C:\Program Files\NetRatingsNetSight\NetSight\NielsenOnline.exe.

How do I remove Nielsen Online?

You can uninstall Nielsen Online 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 Nielsen Online, 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 Nielsen Online.

Win 10 80%
Win 7 1%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 3%
Keep it 97%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 80.00%
Windows 7 18.75%
Windows Vista 1.25%
Which OS releases does it run on?
Windows 10 Home 63.75%
Windows 7 Home Premium 12.50%
Windows 10 Pro 11.25%
Windows 7 Professional 3.75%
Windows 8.1 3.75%
Windows 7 Ultimate 1.25%

Distribution by countryGeography

79.84% of installs come from the United States
Which countries install it?
  United States 79.84%
  Italy 7.26%
  France 4.84%
  Germany 3.23%
  United Kingdom 3.23%
  Netherlands 0.81%
  Singapore 0.81%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 40.00%
Acer 25.00%
ASUS 15.00%
Dell 10.00%
Lenovo 6.67%
American Megatrends 1.67%
Common models
HP HP Notebook 7.46%
Acer Aspire ES1-523 2.99%
TOSHIBA Satellite Pro L50... 1.49%
TOSHIBA Satellite L775 1.49%
TOSHIBA Satellite C55D-B 1.49%
Acer Aspire A515-51G 1.49%


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