Go to Settings / Applications and choose
'Manage applications'. Now choose the app that is misbehaving from the list and tap
'Force stop'.
If the app continues to misbehave you should try uninstalling and reinstalling it
'Manage applications'. Now choose the app that is misbehaving from the list and tap
'Force stop'.
If the app continues to misbehave you should try uninstalling and reinstalling it