Solution
Please Install the Updated Packages.
Insight
A little Xfce plugin, which checks the free space on the chosen mountpoint frequently. It displays 4 different icons and a message box, depending on the free space. The amount of free disk space is visible in a tooltip. If you left-click on its icon, it opens the mountpoint directory in the file manager.
Affected
xfce4-fsguard-plugin on Fedora 8
References
Updated on 2015-03-25