Process Explorer

Process Explorer is an application used to monitor the process of running programs on the computer. did you ever feel your computer's performance slows or many programs crash. cause of this is very much at all, could be due to viruses, malware, trojans or other processes running on your computer so that your computer's performance to decline, for that you need a process explorer to see what processes are running in your computer. so you can end the unnecessary processes that interfere with the performance of your computer.

The Process Explorer display consists of two sub-windows. The top window always shows a list of the currently active processes, including the names of their owning accounts, whereas the information displayed in the bottom window depends on the mode that Process Explorer is in: if it is in handle mode you'll see the handles that the process selected in the top window has opened; if Process Explorer is in DLL mode you'll see the DLLs and memory-mapped files that the process has loaded. Process Explorer also has a powerful search capability that will quickly show you which processes have particular handles opened or DLLs loaded.
The unique capabilities of Process Explorer make it useful for tracking down DLL-version problems or handle leaks, and provide insight into the way Windows and applications work.

website to download : http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx