>step 1 :
run “gpedit.msc”
>step 2 :
go to “computer configuration”>> “windows settings” >> “security settings” >> “software restriction policies” >> “additional rules”
>step 3 :
create “New Hash Rule”
>step 4 :
in the propreties :
* in the “file hash” browse to the designed program
* set the security level to disallowed