If this is not clear -> "I used the backup packages from the earlier install to upgrade to 8.10", before reinstalling I backed up all files in var/cache/apt/archives and used them in the new install of8.04 to upgrade to 8.10.
If this is not clear -> "I used the backup packages from the earlier install to upgrade to 8.10", before reinstalling I backed up all files in var/cache/ apt/archives and used them in the new install of8.04 to upgrade to 8.10.