(Applications included with the Android Operating System may not have an uninstall option.)
Below are steps to download Advanced Task Killer:
Noted: To access Market, a Google account is required. Refer to Add a Gmail account for assistance.
IMHO Try System Panel Lite instead of ATK. Your phone will be happier for it.
Should you decide to download ATK, please read how to use the app and to how set the settings to your liking.
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.