84,285,534 programs installed

Should I remove NAVI*STUDIO4 Launcher?

What percent of users and experts removed it?
4% remove it96% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Reach 0.0010%


4.154 5.00%
4.138 10.00%
4.131 15.00%
4.128 10.00%
4.120 5.00%
4.116 35.00%
4.112 20.00%

Typically installed together



NAVI*STUDIO4 Launcher is a program developed by Pioneer. The most used version is 4.116, 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. The software installer includes 8 files and is usually about 19.35 MB (20,291,292 bytes). NaviStudio4Update.exe is the automatic update component of the software designed to download and apply new updates should new versions be released. In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows Vista (SP2). While about 75% of users of NAVI*STUDIO4 Launcher come from Japan, it is also popular in the United States and Poland.

Program detailsProgram details

URL: pioneer.jp/support/index.html
Installation folder: C:\Program Files\Pioneer\NaviStudio4\
Uninstaller: MsiExec.exe /X{B2FB7402-29A0-4A7A-B73A-7A93B87377CC}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 19.35 MB
Language: Japanese (Japan)

Program filesFiles installed by NAVI*STUDIO4 Launcher

  • Launcher.exe
  • MaintenanceManager.exe
  • NaviStudio4Agent.exe
  • NaviStudio4Update.exe
  • ScouterManager.exe
  • UpdateManager.exe
  • DevCtrl.dll
  • MinDriveG726Decoder.dll

Program behaviorsBehaviors exhibited

Startup File (User Run)
  • NaviStudio4Agent.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'NaviStudio4Agent' and executes as C:\Program Files\Pioneer\NaviStudio4\NaviStudio4Agent.exe.

How do I remove NAVI*STUDIO4 Launcher?

Quickly and completely remove NAVI*STUDIO4 Launcher from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall NAVI*STUDIO4 Launcher 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program NAVI*STUDIO4 Launcher, click it, and then do one of the following:
    • Windows Vista/7/8: 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 NAVI*STUDIO4 Launcher.

Win 7 (SP1) 80%
Win 10 5%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 4%
Keep it 96%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 80.00%
Windows Vista 15.00%
Windows 10 5.00%
Which OS releases does it run on?
Windows 7 Home Premium 57.89%
Windows 7 Professional 15.79%
Windows Vista Home Premiu... 10.53%
Windows 7 Ultimate 5.26%
Windows 10 Home 5.26%
Windows Vista Home Basic 5.26%

Distribution by countryGeography

75.00% of installs come from Japan
Which countries install it?
  Japan 75.00%
  United States 20.83%
  Poland 4.17%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Sony 28.57%
Dell 14.29%
Lenovo 14.29%
Toshiba 14.29%
NEC 7.14%
Hewlett-Packard 7.14%
Gateway 7.14%
Acer 7.14%
Common models
Sony VPCL23AJ 11.11%
TOSHIBA dynabook T552/58F... 5.56%
Sony VGN-FW31ZJ 5.56%
MouseComputer Co.,Ltd. B7... 5.56%
LENOVO Lenovo IdeaPad Y58... 5.56%


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