RunOnTerminate.vbs

'VBScript to run a process when a specific process (name) is terminated.
'Requires Administrator rights.
'
'https://www.reddit.com/user/jcunews1/

ProcessNameToWait         = "notepad.exe"
ProcessCmdlineToRun       = """c:\program files\app\app.exe"" /switch"
StopScriptAfterProcessRun = false

ProcessNameToWait = ucase(ProcessNameToWait)
set sh = createobject("wscript.shell")
set wmi = getobject("winmgmts:\\.\root\cimv2")
do while true
  set evs = wmi.execnotificationquery("select * from win32_processstoptrace")
  do while true
    set ev = evs.nextevent
    if ucase(ev.processname) = ProcessNameToWait then
      sh.run ProcessCmdlineToRun, 1
      if StopScriptAfterProcessRun then wscript.quit
    end if
  loop
loop