oh oh oh i just did this last night, and it excited me because i fix this all the time when i reinstall windows and i forgot so i tollarated it. it is something one of those security patches did
go into control panel,
administrative tools,
computer management,
go to local users and groups,
go to guest, right click
select properties and disable that account.
go into control panel,
administrative tools,
computer management,
go to local users and groups,
go to guest, right click
select properties and disable that account.