The notice "Waiting for Background Program to Close" is no alert. It only means that you have programs running... no big deal, Windows works with closing them. An issue might be, if your computer takes 15 minutes or more, or something, to shut down.
The ASMTFilter seems to be a camera filter, not far from your Avatar, I'm a photographer myself,
http://rog.asus.com/forum/showthread.php?44106-Maximus-vi-formula-asmtfilter-driver-boot could give you answers. Do check the latest drivers: two ways,
1. Uninstall present, and install the original ones you got an a disc > then upgrade
2. Uninstall present, upgrade from site
I's quite often better to install the original ones, then upgrade.
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