Simple code but exсlude only concrete versions:
Select Top 1000000 tblassets.AssetID,
tblassets.AssetName,
tblassets.IPAddress,
tblassets.Lastseen,
tblassets.Lasttried,
tblSoftwareUni.softwareName,
tblSoftware.softwareVersion
From tblassets
Inner Join tblSoftware On tblassets.AssetID = tblSoftware.AssetID
Inner Join tblSoftwareUni On tblSoftwareUni.SoftID = tblSoftware.softID
Where tblSoftwareUni.softwareName Like '%finereader%' And
Not (tblSoftware.softwareVersion In ('12.1.439', '12.1.531'))