If an application is locked up and frozen on the Motorola Droid, you may need to force the application closed.

1. From the Home screen, press Menu.

2. Tap Settings.

3. Tap Applications.

4. Tap Manage Applications.

5. Tap the application you wish to close. If it’s not listed, press Menu > Filter > All.

6. Scroll down and tap Force Stop.

Alternately you can use a third party app like Close Everything.