Help me configure my sandbox if it's possible...!!!

How can i make the sandbox to isolate unknown applications automatically without asking me to run them in isolation?
Sometimes it does not asking me to isolate unknown applications and isolates automatically…
I want the sandbox to isolate all unknown applications without asking me nothing…
Can i do it?
Thank you…!!!

You can hide these alerts do not enable these options

http://im87.gulfup.com/RswYrz.png

My personal opinion that you keep these options enabled
Please refer to this link, link explains the importance of these options