igfxsrvc.exe process points to the Intel Graphics Accelerator cards and on-board graphics chipsets. Although not as powerful as gaming graphic cards by vendors such as NVIDIA or AMD, this graphics media accelerator embedded into the processor has been a large step is technology for immersive visual experiences. The process is supported on a range of operating systems, including Windows XP, Windows 7, Windows 8 and Windows 8.1. Among the features this process supports, one may find benefits such as accelerated graphics processing, complex shading for increased realism and 3D rendering. It is recommended not to terminate igfxsrvc manually from the Task Manager.
Non-system processes like igfxsrvc.exe originate from software you installed on your system. Since most applications store data on your hard disk and in your system's registry, it is likely that your computer has suffered fragmentation and accumulated invalid entries which can affect your PC's performance.

In Windows Task Manager, you can see what CPU, memory, disk and network utilization is causing the Intel(R) Common User Interface process. To access the Task Manager, hold down the Ctrl + Shift + Esc keys at the same time. These three buttons are located on the far left of your keyboard.

This process is considered safe. It is unlikely to pose any harm to your system. The igfxsrvc.exe file should be located in the folder C:\Windows\System32. Otherwise it could be a Trojan.

This process is not considered CPU intensive. However, running too many processes on your system may affect your PC’s performance. To reduce system overload, you can use the Microsoft System Configuration Utility (MSConfig) or the Windows Task Manager to manually find and disable processes that launch upon start-up.

Use the Windows Resource Monitor to find out which processes and applications write/read the most on the hard drive, send the most data to the Internet, or use the most memory. To access the Resource Monitor, press the key combination Windows key + R and then enter 'resmon'.