What is nassche.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the nassche.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Nassche.exe file information

Windows Task Manager with nassche
Nassche.exe process in Windows Task Manager

The process known as NAS Function Scheduling Application belongs to software NAS Function Scheduling Application or BUFFALO NAS Navigator2 by BUFFALO INC (

Description: Nassche.exe is not essential for the Windows OS and causes relatively few problems. Nassche.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 206,128 bytes (55% of all occurrences) or 200,704 bytes. 
The program is not visible. The program starts upon Windows startup (see Registry key: User Shell Folders, MACHINE\User Shell Folders). The nassche.exe file is not a Windows core file. The nassche.exe file is certified by a trustworthy company. Nassche.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 33% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of any problems with nassche.exe, you can go to the support area of the Buffalo website, search for an update on the vendor’s website or completely remove BUFFALO NAS Navigator2 (Control Panel ⇒ Uninstall a Program).

Recommended: Identify nassche.exe related errors

Important: Some malware camouflages itself as nassche.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the nassche.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Bestandteil der NAS-Software von Buffalo.
Benutze auch Buffalo NAS, keine Probleme bislang
gehört zur Buffao

Summary: Average user rating of nassche.exe: based on 4 votes with 3 user comments. One user thinks nassche.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving nassche issues

A clean and tidy computer is the key requirement for avoiding problems with nassche. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the nassche.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

nassche.exe [all]