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Program info

Estimated safety rating


fussvc.exe may be a dangerous program, according to an automatic analysis of the program's operation. It triggers too many of the "possible danger" criteria detailed bellow. It is yet unknown if fussvc.exe is a virus or a legit program which doesn't harm the PC. We advise you to be careful with this application.

Executable file path

 C:\Program Files (x86)\Windows Kits\8.1\App Certification Kit\fussvc.exe

Usually, the default name and folder where this application is stored is
C:\Program Files (x86)\Windows Kits\8.1\App Certification Kit\fussvc.exe.

MD5 hash of the executable file


The MD5 fingerprint for this file is 38f3cf15321dc2b47c7907eb222b637a.

Is running as a service


This program is a Windows service. This means it runs on your system in background, usually without showing any user interface to you. Most Windows services are ok programs, which provide useful functions to other applications or to Windows in general.

Is a 64 bit executable file


This is a 64-bit executable. It runs using the full capacity of modern CPUs.

File description

 Fast User Switching Utility Service

The description present in the program is Fast User Switching Utility Service.

File version

 3.2.9600.17029 (winblue_gdr.140219-1702)

File version extracted from the file 3.2.9600.17029 (winblue_gdr.140219-1702).


 Microsoft Corporation

Company name Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Copyright notice © Microsoft Corporation. All rights reserved..

Potentially dangerous functions


Some unusual functions of the Operating System appear to be used, such as functions for tapping the keyboard. We advise you to read more about this program.

Digitally signed


A digital signature is missing from this program. The publisher did not sign it. This is probably bad.

Can be uninstalled


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