Do you have gstreamer installed ?https://wiki.archlinux.org/index.php/Codecs#GStreamerpacman -S gstreamer0.10-plugins
After you install aspell uninstall abiword then reinstall. From what I understand aspell has to be their first for abiword install sequence to pick up on it. I had the same issue and this worked for me.
You can use systemctl shutdown set up as a root cron job. Login as rootcrontab -eThen set up as specified time. The link below is a good reference page for cron. http://www.adminschoice.com/crontab-quick-reference
The ArchLinux Wiki has the best documentation available and with the problems you describe here, if it does not suffice, ArchLinux is likely not for you.Everyone can install ArchLinux and most can use it, but it does require more from the user than Ubuntu and such.https://wiki.archlinux.org/index.php/The_Arch_Wayhttps://wiki.archlinux.org/index.php/Beginners%27_Guide