hi, i am having this problem for the past few hours. random programs including avi , flv, rar files have stopped responding to mouse clicks, be it left click or right. for example i was trying to open a rar file that i could open only the day before but suddenly it stopped responding. but the computer does not hang and i can do other stuff. i have downloaded the most recent copy of HJT but i could not even open it. i have not installed any recent programs except for updating already installed programs like Kaspersky Internet security and adobe. I am using Windows XP SP2. please help me.