Thanks a lot for your help!
At 2018-05-31 01:54:42, "Phillip Susi" wrote:
>Your installation medium is corrupt; you will need to recreate it and
>may want to verify is using the check disc option at the boot menu.
>
>
>** Changed in: ubiquity (Ubuntu)
> Status: New => Invalid
>
>--
>You
Public bug reported:
I did not notice which package the bug is in, I just tried to install
the system and it occurred, saying that something is wrong with the I/O.
I made the USB bootable device by UItraISO and downloaded the ISo file
from the official site. The disk I am using is made in 2009.