Ron, Are you using AVG Free Edition? If so, You can't schedule updates. You can with AVG 'paid for' version.
AVG Guru
Can I schedule my updates to start at a specific time when I have free internet allowance then scan and shut down like 3:00 AM?
Ron, Are you using AVG Free Edition? If so, You can't schedule updates. You can with AVG 'paid for' version.
AVG Guru