READ MORE for the detailed instructions. Please follow carefully.

Symantec's Norton AntiVirus 2009 - Winning protection against viruses, spyware, and other malicious threats! Heuristically detects Spyware threats, detects blocks Internet worm attacks, and protects email.

Norton AntiVirus blocks viruses and spyware with advanced protection. It helps protect your entire computer by stopping viruses, spyware, and other security risks. Norton AntiVirus works in the background so you can surf the Internet, read the news, play games, and download software or music without disruption. It also scans and cleans all email and instant messaging (IM) attachments, preventing you from receiving viruses, or spreading them to others. With set-it and forget-it functionality, Norton AntiVirus checks for updates continuously and automatically blocks new and emerging threats from getting on your system. In addition to protection updates, Norton AntiVirus provides new product features as available throughout your service subscription.

You can reset Kaspersky any time you want with this crack.
This crack just delete the registry keys/files that deal with the licensing.
There is no need to delete the old key.

Steps to reset Kaspersky 2009
1. Disable Kaspersky's "Self-Defense" feature. To disable the "Self-Defense", right click on Kaspersky's tray icon and select , , (on the right side under "Self-Defense") uncheck .

2. Exit Kaspersky.

3. Execute the crack and Wait for Kaspersky to prompt you to activate (Kaspersky should start by itself). If Kaspersky doesn't start by itself, then try to start it manually or just restart the computer. (The crack will automatically exit without executing if you don't do step 1 & 2.)

4. To uninstall, just delete the file.