Sometimes it is necessary to prevent children from using specific programs , of course there are ways to do that but not as simple as drag and drop "Simple Run Blocker" is Portable freeware to simplify the blocking process and it allows you to add EXE files by simply using drag and drop then the executables will be automatically blocked ,it has another useful function too , called "Block all except the list" it is like "Kiosk mode" and blocks almost everything except your listed Applications.