Welcome to CTH [cinnamongirl]. It's almost certainly a malware file but it would be a good idea to identify it before we delete it. Could you make sure that you can
view hidden files and folders (and System Files) and run a search for atiupdpl.exe. When you find it, copy it to a new folder, zip it up (this is important) and email it to me (include a link to this thread). My address is
anniefriday@xtra.co.nz. I will post back when I have checked it out.