No but there are lots of ways to prevent damage. Learn how to work with
selinux then always keep it enabled. Don't log in to the desktop as root.
Learn about users, groups and permissions, then configure them properly.
The Mac OS X Disk Utility can repair the permissions on the startup volume.
At one time gnome and kde did not interoperate well because of different
conventions for some GUI stuff like the clipboard but those were harmonized
long ago.
You don't need all of kde, just the dependencies.
Your problem may be that you are exceeding the maximum length for an absolute
pathnam
