VBScript to Terminate Process

Option Explicit
Dim objWMIService, objProcess, colProcess
Dim strComputer, strProcessKill 
strProcessKill = "'ProcessName.exe'" 
Set objWMIService = GetObject("winmgmts:root\cimv2") 
Set colProcess = objWMIService.ExecQuery _
("Select * from Win32_Process Where Name = " & strProcessKill )
For Each objProcess in colProcess
objProcess.Terminate()
Next 
WScript.Quit