It seems that there are a great deal of updates frequently put out for various Android applications. if you are tired of dealing with the notification appearing in your status bar, you can disable it and deal with the software updates when you feel like it.
1. Open the Market application.
2. Select the Menu key.
3. Select Downloads.
4. Select the Menu key again.
5. Select Notifications.
6. Select the Do not notify me radio button.
7. Select OK.