tell application “System Events”

set visible of every process to false

end tell

tell application “Finder”

activate

close every window

repeat with i from 1 to 1

set arrangement of icon view options of window of desktop to arranged by kind

delay 0.25

set arrangement of icon view options of window of desktop to arranged by name

delay 0.25

set arrangement of icon view options of window of desktop to arranged by size

delay 0.25

set arrangement of icon view options of window of desktop to arranged by creation date

delay 0.25

set arrangement of icon view options of window of desktop to arranged by modification date

delay 0.25

set arrangement of icon view options of window of desktop to arranged by kind

delay 0.25

end repeat

end tell