First save this report as "UUIDcount" or edit the second report.
SELECT COUNT(UUID) AS PCcount, UUID
FROM tblComputerSystemProduct
GROUP BY UUID
HAVING (COUNT(UUID) > 1)
So what the 2nd report will do is pull in the information from the 1st one and add computer names into it.
SELECT
tblComputerSystemProduct.Computername,
web30repUUIDcount.UUID
FROM
tblComputerSystemProduct
INNER JOIN web30repUUIDcount ON (tblComputerSystemProduct.UUID = web30repUUIDcount.UUID)
ORDER BY
web30repUUIDcount.UUID