Updating fontconfig cache...
/usr/share/fonts: failed to write cache
/usr/share/fonts/X11: failed to write cache
/usr/share/fonts/X11/100dpi: failed to write cache
/usr/share/fonts/X11/75dpi: failed to write cache
/usr/share/fonts/X11/Type1: failed to write cache
/usr/share/fonts/X11/encodings: failed to write cache
/usr/share/fonts/X11/encodings/large: failed to write cache
/usr/share/fonts/X11/util: failed to write cache
/usr/share/fonts/truetype/arphic: failed to write cache
/usr/share/fonts/truetype/baekmuk: failed to write cache
/usr/share/fonts/truetype/freefont: failed to write cache
/usr/share/fonts/truetype/kochi: failed to write cache
/usr/share/fonts/truetype/thai: failed to write cache
/usr/share/fonts/truetype/ttf-arabeyes: failed to write cache
/usr/share/fonts/truetype/ttf-bengali-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-bitstream-vera: failed to write cache
/usr/share/fonts/truetype/ttf-dejavu: failed to write cache
/usr/share/fonts/truetype/ttf-devanagari-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-gentium: failed to write cache
/usr/share/fonts/truetype/ttf-gujarati-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-kannada-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-lao: failed to write cache
/usr/share/fonts/truetype/ttf-malayalam-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-mgopen: failed to write cache
/usr/share/fonts/truetype/ttf-oriya-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-punjabi-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-tamil-fonts: failed to write cache
/usr/share/fonts/truetype/ttf-telugu-fonts: failed to write cache
/usr/share/fonts/type1/gsfonts: failed to write cache
/usr/share/X11/fonts: failed to write cache
/usr/share/X11/fonts/100dpi: failed to write cache
/usr/share/X11/fonts/75dpi: failed to write cache
/usr/share/X11/fonts/Type1: failed to write cache
/usr/share/X11/fonts/encodings: failed to write cache
/usr/share/X11/fonts/encodings/large: failed to write cache
/usr/share/X11/fonts/util: failed to write cache
/usr/local/share/fonts: failed to write cache
/var/lib/defoma/fontconfig.d/B: failed to write cache
/var/lib/defoma/fontconfig.d/D: failed to write cache
/var/lib/defoma/fontconfig.d/E: failed to write cache
/var/lib/defoma/fontconfig.d/F: failed to write cache
/var/lib/defoma/fontconfig.d/J: failed to write cache
/var/lib/defoma/fontconfig.d/K: failed to write cache
/var/lib/defoma/fontconfig.d/M: failed to write cache
/var/lib/defoma/fontconfig.d/N: failed to write cache
/var/lib/defoma/fontconfig.d/O: failed to write cache
/var/lib/defoma/fontconfig.d/P: failed to write cache
/var/lib/defoma/fontconfig.d/R: failed to write cache
/var/lib/defoma/fontconfig.d/a: failed to write cache
/var/lib/defoma/fontconfig.d/j: failed to write cache
/var/lib/defoma/fontconfig.d/m: failed to write cache
/var/lib/defoma/fontconfig.d/u: failed to write cache
dpkg: error processing ttf-opensymbol (--remove):
 subprocess post-removal script returned error exit status 52
Errors were encountered while processing:
 ttf-opensymbol
E: Sub-process /usr/bin/dpkg returned an error code (1)