This is an example to find computers without acrobat reader
Select tblComputers.Computername, tblComputers.ComputerUnique,
tblComputers.Domain
From tblComputers
Where tblComputers.Computername Not In (Select tblsoftware.ComputerName
From tblsoftware Where tblsoftware.softwareName Not Like '%acrobat%')
this is an example to show all users on a computer
Select tblComputers.Computername, tblComputers.ComputerUnique,
tblComputers.Domain, tblUsers.Caption, tblUsers.Name
From tblComputers Inner Join
tblUsers On tblComputers.Computername = tblUsers.Computername