Can any one guide me that how to use and identify the variables that are leaking the memory?
I took the snap as following, but yet no idea to understand it

Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Open the right utility area (click third button next to the status info in the top bar).
when you then klick on a leaked block (and on the arrow next to the address), you can see the code blocks responsible for the steps