My Internet download manager is not working

At first I download IDM trial version which was for 30 days, I didn't register it and after it expires I download idm with its crack & serial keys and installed it ,but still it shows IDM is registered with a fake key idm is exiting.
please help bcoz it is working in my frnds pc
Asked Jan 15, 2013

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.