I have one problem and u might be able to help me. I have web based application in asp.net User closes the browser without logging off is there any way i can capture the browser close evert because what I was thinking to do is on on browser close I will update my database tables to release the license. I know I can do thru session end but I have to put a timeout interval which i can&#039;t buse of business logic. Can i use application_end?<BR>Please help<BR>