Hi Maxsof, You will need to set the usergroup permissions for which groups get to do an see what.
- Goto Admincp, Usergroups > Usergroup Manager > Default Usergroups and select a group
There are two sections to set, one for the main system an another for comments. An administrator would have everything checked. I'd also recommend letting Unregistered / Not Logged In have Can Enter vbRides, Can View Rides, and Can Search Rides.
I've included a screenshot for administrator and registered user permissions.