Thank you for pointing that Panayotis, those problems are fixed with that upload:
desktop-file-utils (0.12-0ubuntu1) feisty; urgency=low . * New upstream version: - improves category validation code to not catch false positives - make category validation code non-fatal - fix mem leaks and double frees * debian/control: - use Desktop Team for Maintainer -- desktop-file-validate should verify Categories https://launchpad.net/bugs/38804 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs