Task Manager - Win7

Terminate Stubborn Processes That Can't End Process in Task Manager-Win7 

Are you tried killing the application in Task Manager. But sometime its not working. Sometimes you may not able to do so. No matter how many times you have tried to kill the process, the process still continues to run and doesn’t leave any CPU cycle for other tasks processing, ended up that you need to hard reboot your computer. This could be very irritating and inefficient. Someone can ask for What's the difference between pskill and Windows "TASKKILL". There is Not a lot of difference indeed, but TASKKILL is not available on all WINDOWS editions.
Use PsKill. Its a small utility form Microsoft Sysinternals, now you can easily and very quickly kill application.
PsKill is an executable file that doesn’t required any installation. It is not only able to kill processes locally, but also able to kills processes on remote computers. To use PsKill to kill hang process, follow the steps.

1. Download PsKill utility.
2. Extract to default System32 path.(C:\Windows\System32)
3. Press CTRL+SHIFT+ESC to open Task manager
4. On the Task Manager Go to View>Select Columns…
5. Select PID (Process Identifier) Then Click ok

6. Now You can see running application's PID

7. Press Start type cmd. Then Press CTRL+SHIFT+ENTER (For Administrator privilege)

8. Type pskill, space and followed by the PID value. For example, if the PID is 2412, then type pskill 9596 and press enter. The process will be terminated without affecting other running processes.

FOR ADVANCED USER

Usage: pskill [- ] [-t] [\\computer [-u username] [-p password]]

-	Displays the supported options.
-t	Kill the process and its descendants.
\\computer	Specifies the computer on which the process you want to terminate is executing. The remote computer must be accessible via the NT network neighborhood.
-u username	If you want to kill a process on a remote system and the account you are executing in does not have administrative privileges on the remote system then you must login as an administrator using this command-line option. If you do not include the password with the -p option then PsKill will prompt you for the password without echoing your input to the display.
-p password	This option lets you specify the login password on the command line so that you can use PsList from batch files. If you specify an account name and omit the -p option PsList prompts you interactively for a password.
process id	Specifies the process ID of the process you want to kill.
process name	Specifies the process name of the process or processes you want to kill.