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Program info

Estimated safety rating


nissrv.exe is a program which is most likely legit. So, if nissrv.exe is on your laptop or desktop computer, it is most likely ok, and will NOT be a cause for concern. Even if your PC is virus-free, it is still recommended to use a good antivirus with a good detection rate, in order to defend your PC against viruses and malware.

Executable file path

 C:\Program Files\Windows Defender\NisSrv.exe

Usually, the default filename and path where the application is stored is
C:\Program Files\Windows Defender\NisSrv.exe.

MD5 hash of the executable file


The MD5 checksum for this file is 00effffd6aa442b88998db75545f3959.

Is running as a service


This program is a Windows service. This means it runs on your PC in background, usually without displaying any user interface to you. Most Windows services are legit programs, which provide useful functions to other applications or to the Windows Operating System.

Belongs to the operating system


nissrv.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.

Is a 64 bit executable file


64-bit code has been detected. This application can use the full power of a modern PC cpu.

File description

 Microsoft Network Realtime Inspection Service

The description extracted from the file is Microsoft Network Realtime Inspection Service.

File version

 4.8.10240.16384 (th1.150709-1700)

File version extracted from the file 4.8.10240.16384 (th1.150709-1700).


 Microsoft Corporation

Company name Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Legal copyright notice © Microsoft Corporation. All rights reserved..

Digitally signed


nissrv.exe has a digital signature. Today the large majority of virus-free programs are digitally signed.

Valid digital signature


The digital signature attached to nissrv.exe is valid. This is most likely a clean, ok program.

Certifier name

 Microsoft Corporation

Digitally signed by: Microsoft Corporation

Issuer name

 Microsoft Code Signing PCA

Certificate's issuer name: Microsoft Code Signing PCA

Can be uninstalled


This program does NOT have an uninstall command stored in registry.