This is a great web site which has almost all the information we need to know about the processes running on Windows operating system.

http://www.neuber.com/taskmanager/process/index.html

Time to time we wonder looking at our Task Manager, and thinking what that process if for ? Is it a Windows Process or a 3rd party one or a virus. The above link gives you all the data about the Windows processes.

Here I have listed some of them, (summarized version from the above the site) which seems suspicions but are not dangerous.

igfxsrvc.exe

Igfxsrvc.exe is installed along-side Intel Graphics Accelerator cards and with on-board graphics chipsets. It is the Common User Interface and starts with the Operating System and occupies a slot in the System Tray. It provides the graphical interface for all the display settings of the chipset including color quality and screen resolution.

csrss.exe

This is the user-mode portion of the Win32 subsystem; Win32.sys is the kernel-mode portion. Csrss stands for Client/Server Run-Time Subsystem, and is an essential subsystem that must be running at all times. Csrss is responsible for console windows, creating and/or deleting threads, and implementing some portions of the 16-bit virtual MS-DOS environment.

hkcmd.exe

"hkcmd.exe" is Intel’s "extreme" graphics hot key interceptor. If you never use the Intel hotkeys. You can turn off the hot keys and close this process.

dwm.exe

One of the new features in Windows Vista/7 is the Desktop Window Manager (DWM). It responsible for the graphical effects such as live window previews and a glass-like frame around windows (Aero Glass), without draining your CPU.

rundll32.exe

This program is part of Windows, and is used to run program code in DLL files as if they were within the actual program. However, many viruses also use this name or similar ones. This file is also commonly used by spyware to launch its own malicious code.