Igfxpers.exe is responsible for proper system process some additional configuration options NVidia videocard's. This process was most likely pre-installed on your system when it was purchased and is found in all systems that have (obviously) video cards Intel NVIDIA. If you do not have such a videocard, then this igfxpers.exe process running in your system is suspicious and recommend it for proper thorough scanning to ensure that it is not malware infection (It is known that viruses, trojanii and other malware "borrow" the name of system processes to trick the user).
Also, if you find two instances of the process running simultaneously in your system, check the veracity of both courts. Igfxpers.exe process is legitimate located in C: \ WINDOWS \ system32 \ igfxpers.exe. Any other location finding indicates the existence of an "intruder" in your system
Igfxpers.exe can have entries Registry in folder StartUpTo be started after every reboot. The process is considered safe and is not recommended disabling or deleting it only in cases involving errors or malware.