SciTE created tmp file when building

I used old version of Scite before, and no following problem occurs
a few days ago I re install my OS(win7 32bit) and Install the latest verison of scite(Version 3.2.0
    Jun  9 2012 00:35:28)
and each time when I modify my au3 code and rebuild it to exe , it will create a .tmp file in the same directory where the au3 code file exist
how can I prevent this behaviour to happen,thanks

another problem
   when I opened config window in SCiTE(use ctrl+1) it looked like following
I think it isn't normal and it seemed to me the picture is shrinked , why is this and how to deal with this
thanks