Hello I have installed trinity several times on kubuntu 10.04. This time a got a worrying msg: what shall I do, just changing the chmod seems not enough? /etc/sudoers.d/tde-secure-path is mode 0644, should be 0440 sudo: parse error in /etc/sudoers.d/README near line 18 sudo: no valid sudoers sources found, quitting *** glibc detected *** sudo: double free or corruption (!prev): 0x095a2d58 *** ======= Backtrace: ========= /lib/tls/i686/cmov/libc.so.6(+0x6e331)[0x942331] /lib/tls/i686/cmov/libc.so.6(+0x6fb88)[0x943b88] /lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0x946ccd] /lib/tls/i686/cmov/libc.so.6(fclose+0x14a)[0x93284a] sudo[0x805796d] sudo[0x80589d6] sudo[0x80564de] sudo[0x805a314] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x8eabf6] sudo[0x804a7c1] ======= Memory map: ======== 00110000-00123000 r-xp 00000000 08:05 120444 /lib/tls/i686/cmov/ libnsl-2.11.1.so