I am not finding much about this issue. Here are some stuff for you to get on your own research about the problem:
https://wiki.archlinux.org/index.php?title=Special:Search&search=hard+blocked
If you are going to make any changes to any configuration files on your system, make sure to make a backup copy of it first. Also, keep your Live USB installer near at hand in case you would need to do some repair work from the live session
Good Luck!