>UPDATE Checkinc ;
>SET Checkinc.Paga = qryIncidePago.Paga, ;
>Checkinc.MinDP = qryIncidePago.MinDP, ;
>Checkinc.RefDP = qryIncidePago.RefDP, ;
>Checkinc.Usr = thisform.UsuarioWin, ;
>Checkinc.Fec_mov = Date() ;
>WHERE Checkinc.Uid = qryIncidePago.Uid
>
>the thing is that only the current record is updated, why? Is not suposed that this will update all the records that meet the condition?

Hola, Héctor.

Isn't Checkinc.Uid a primary key that identifies the record uniquely. I know is doesn't seem so for what you said, but the field name is pretty suspicious.

Are you sure that you have many records with the same UID?