Again, I started receiving error messages about Vanguard downloading information for accounts that no longer exist. Also been receiving pop ups from within Quicken about Vanguard mucking around with account numbers as well.
I might try REMOVING and REACTIVATING these accounts from Vanguard's OSU and see what happens. The account numbers that Quicken is displaying that I have Vanguard accounts when I tried doing this for just one of them do see accurate now. See we'll see and I'll repost.