C:\Program Files (x86)\PLAY ONLINE>set FILENAME=C:\Program Files (x86)\PLAY ONLINE 

C:\Program Files (x86)\PLAY ONLINE>cacls "C:\Program Files (x86)\PLAY ONLINE"  /t /e /c /p Users:f 

C:\Program Files (x86)\PLAY ONLINE>cacls "C:\Program Files (x86)\PLAY ONLINE"  /t /e /c /p everyone:f