like:

  1. how many characters are you trying to run
  2. how many machines are you using
  3. what type of machines are they (specs)
  4. how are you multi-boxing? hardware or software
  5. what are you using to do it... type of hardware or names of software
  6. what problems are you experiencing when you try it
there are many factors... we'll do what we can, but you can see.. the number of options are a bit crazy