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.
Usually, the default filename and path where the application is stored is
C:\Program Files\Windows Defender\NisSrv.exe.
The MD5 checksum for this file is 00effffd6aa442b88998db75545f3959.
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.
nissrv.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This application can use the full power of a modern PC cpu.
The description extracted from the file is Microsoft Network Realtime Inspection Service.
File version extracted from the file 4.8.10240.16384 (th1.150709-1700).
Company name Microsoft Corporation.
Legal copyright notice © Microsoft Corporation. All rights reserved..
nissrv.exe has a digital signature. Today the large majority of virus-free programs are digitally signed.
The digital signature attached to nissrv.exe is valid. This is most likely a clean, ok program.
Digitally signed by: Microsoft Corporation
Certificate's issuer name: Microsoft Code Signing PCA
This program does NOT have an uninstall command stored in registry.