rzfpsapplet.exe is a program which is most likely NOT a virus. So, if rzfpsapplet.exe is on your system, it is most likely ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to purchase a well-known antivirus with a good detection rate, in order to yourself your system against viruses and malware.
Usually, this program is found in C:\Program Files (x86)\Razer\Razer Cortex\RzFpsApplet\RzFpsApplet.exe.
The MD5 fingerprint for this executable is c005dca293d16a4552337fe920986c07.
This application does NOT operate as a Windows service. This is usually a good sign.
This exe runs in 32-bit mode. It can not benefit of the full set of features of modern PC CPUs. This is quite normal because the makers did not bother to upgrade it to use the x64 instruction set.
The description written in the program is RigSDK Applet Runner.
File version 1.0.12.
Company Razer, Inc..
Copyright notice Copyright (C) 2013, 2014, 2015 - Razer, Inc..
This executable does NOT have visible windows. This is most likely a bad sign.
rzfpsapplet.exe has a digital signature. Nowadays the large majority of clean software applications are digitally signed.
The digital signature attached to rzfpsapplet.exe verifies as ok. This is very good.
Digital certificate name: Razer USA Ltd.
Certificate's issuer name: Symantec Class 3 SHA256 Code Signing CA
It has an uninstall string in registry, which is a good sign. si are uninstall.