file manager error
 

hi
why, all the time i am in File manager, i click on file and suddenly the file manager closes and a sign that says ¨Internal error.Application file manager closed¨????

i restored everything and it was working fine, till i installed some of this programs, if any expert could help me here

python runtime 2.5
idea
ukmplayer
uktube
camera
canola
lots of libs (that i dont know what are they, but some program asked for it)
media center
python efl core demo
vc epg widget
videocenter plugins
midgard common


WOULD REALLY APPRECIATE HELP HERE, THANKSSSS