I experienced this same issue in the Release version. The solution regarding removing the CDROM entry in /etc/fstab resolved the issue. I found the error in both an upgrade and clean (wiped drive) installation. This was Karmic 64bit
-- [karmic] unable to mount fat32 filesystem via usb https://bugs.launchpad.net/bugs/386239 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs