84,488,480 programs installed

Should I remove BUFFALO NAS Navigator2?

What percent of users and experts removed it?
1% remove it99% 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 #13,720
United States Rank #12,714
Reach 0.0218%
Lifespan of installation (until removal)
< 9.60 days
283.29 days >
Average installed length: 148.85 days


?2.99 0.23%
?2.93 0.47%
?2.92 4.90%
?2.91 2.56%
?2.90 0.93%
?2.89 0.47%
?2.88 0.93%
?2.86 3.26%
?2.84 4.43%
?2.83 7.23%
?2.82 39.39%
?2.81 18.65%
?2.80 0.23%
?2.78 11.42%
?2.76 4.90%

BUFFALO NAS Navigator2


BUFFALO NAS Navigator2 is a software program developed by Buffalo. The most common release is ?2.82, with over 98% of all installations currently using this version. During setup, the program registers itself to launch on boot through a Windows Schedule Task in order to automatically start-up. 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. 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 primary executable is named nasnavi.exe. The setup package generally installs about 12 files and is usually about 16.38 MB (17,176,321 bytes). 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 45% of users of BUFFALO NAS Navigator2 come from the United States, it is also popular in Germany and Japan.

Program detailsProgram details

URL: buffalo.jp
Installation folder: C:\Program Files\BUFFALO\NASNAVI\
Uninstaller: C:\windows\UN060501.EXE /UNINST
Estimated size: 16.38 MB

Program filesFiles installed by BUFFALO NAS Navigator2

Program executable:nasnavi.exe
Path:C:\Program Files\buffalo\nasnavi\nasnavi.exe
Additional files:
  • NasNavi2Res.dll - NAS Naviator2
  • nasexo.dll - NAS Extended Function Option Setting DLL
  • nassvc.exe - NAS Power Management Service
  • nasfsy.dll - NAS Folder Sync DLL

Program behaviorsBehaviors exhibited

Scheduled Task
  • NasNavi.exe is scheduled as a task with the class '{D81A4990-E7CA-40BD-B50B-742502F49D14}' (runs on registration).
Scheduled Task (Boot/Login)
  • NasNavi.exe is automatically launched at startup through a scheduled task named 2.
  • nassvc.exe runs as a service named 'NAS PM Service' (NasPmService) "NAS Power Management Service".
Windows Firewall Allowed Program
  • NasNavi.exe is added as a firewall exception for 'C:\Program Files\BUFFALO\NASNAVI\NasNavi.exe'.

Program resource utilizationResource utilization averages

Memory:2.2 MB
21.09 MB average
Total CPU:0.0291744330%
0.031193% average
Kernel CPU:0.01577543%
0.016088% average
User CPU:0.01339900%
0.015104% average
CPU cycles/sec:4,586,669
8,062,084 average
70 average
I/O reads/min:1.9 KB
435.61 KB average

How do I remove BUFFALO NAS Navigator2?

You can uninstall BUFFALO NAS Navigator2 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 BUFFALO NAS Navigator2, 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 BUFFALO NAS Navigator2.

Win 10 69%
Win XP 0%
Windows Service? Yes
(Installs a service)
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 68.76%
Windows 7 29.60%
Windows Vista 1.17%
Windows XP 0.47%
Which OS releases does it run on?
Windows 10 Pro 28.10%
Windows 10 Home 25.06%
Windows 7 Professional 12.88%
Windows 7 Home Premium 10.77%
Windows 8.1 Pro 4.92%
Windows 8.1 4.68%

Distribution by countryGeography

45.42% of installs come from the United States
Which countries install it?
  United States 45.42%
  Germany 20.42%
  Japan 6.68%
  United Kingdom 5.53%
  France 3.44%
  Finland 3.24%
  Italy 3.24%
  Netherlands 2.10%
  Austria 1.91%
  Sweden 1.15%
  Singapore 0.76%
  Switzerland 0.76%
  Canada 0.76%
  Australia 0.57%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 28.95%
Hewlett-Packard 25.44%
ASUS 10.53%
Lenovo 9.65%
Acer 9.65%
Medion 4.82%
Alienware 2.19%
Toshiba 1.32%
MSI 1.32%
Apple 0.88%
Common models
ASUS All Series 10.69%
Dell Inspiron 660s 9.43%
Hewlett-Packard Presario ... 1.89%
MEDION H81H3-EM2 1.89%
Shuttle Inc. DS57U 1.89%
ASUSTeK GL752VW 1.26%


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