We are receiving the following error messages in the event log on a daily basis (many of them)

Source: Wins
Category: None
Event: 4210
Description: An error was encountered in the database. You might need to restore the database from a backup

and

Souce: Dhcpserver
Category: None
Event: 1014
Description: The Jet database call returned the following error:-510

Any advice would be greatly appreciated.