i have installed into me laptop dual boot windows 7 and ubuntu 13.04 and i have install into ubuntu SET form www.trustedsec.com .it create direcotry set but when i try to start set it dosent start .when i type ./set it get error or ./set is a direcory can you give me a solution how to install it step by step or how to remove set for my pc. a second problem is when i install aircrack-ng when i type airmon-ng on terminal my desktop go crazy and i must restart manyally form my power button. Thanks