http://i.imgur.com/m1JOPjo.png

hi guy .
i have a problem with virtual box ,
in Option , have 2 default tick is "Map executable files using temporary file" and "Allow running of virtual executable files" .
i want to know what's different when "tick it" and "no tick it" .
It may related CPU and RAM ...

alittleheart04042610@gmail.com
Please send to me . Thanks so much !