Thread: One of my program is not executing

hi all,

m new in community. m using ubuntu 10.04.
have install flightgear scenery designer(fgsd) , executed successfully, during working on selected option of , fgsd crashed. after not getting execute. throwing following error on console.

buffer overflow detected ***: fgsd terminated

possibly cause of problem??, suggestion

/lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x50)[0xed2390]
/lib/tls/i686/cmov/libc.so.6(+0xe12ca)[0xed12ca]
/lib/tls/i686/cmov/libc.so.6(+0xe0a08)[0xed0a08]
/lib/tls/i686/cmov/libc.so.6(_io_default_xsputn+0x9e)[0xe59afe]
/lib/tls/i686/cmov/libc.so.6(_io_vfprintf+0xe24)[0xe2da34]
/lib/tls/i686/cmov/libc.so.6(__vsprintf_chk+0xad)[0xed0abd]
/lib/tls/i686/cmov/libc.so.6(__sprintf_chk+0x2d)[0xed09fd]
/usr/local/lib/libflu.so(_zn12flu_progress4drawev+0xd1)[0xbe5a01]
/usr/lib/libfltk.so.1.1(_znk8fl_group10draw_childer9fl_widg et+0x64)[0x2cfd04]
/usr/lib/libfltk.so.1.1(_zn8fl_group13draw_childrenev+0x5f)[0x2cfdef]
/usr/lib/libfltk.so.1.1(_zn8fl_group4drawev+0x3a)[0x2cff1a]
/usr/lib/libfltk.so.1.1(_zn9fl_window4drawev+0x5f)[0x3059af]
/usr/lib/libfltk.so.1.1(_zn9fl_window5flushev+0x42)[0x2b8192]
/usr/lib/libfltk.so.1.1(_zn2fl5flushev+0xab)[0x2b98bb]
/usr/lib/libfltk.so.1.1(_zn2fl4waited+0x16c)[0x2b9b9c]
/usr/lib/libfltk.so.1.1(_zn2fl5checkev+0x1c)[0x2b9c3c]
fgsd[0x8082033]
fgsd[0x80af4e1]
fgsd[0x8081e9e]
fgsd[0x8081fd9]
/usr/lib/libfltk.so.1.1(_zn2fl4waited+0x9e)[0x2b9ace]
/usr/lib/libfltk.so.1.1(_zn2fl3runev+0x34)[0x2b9ce4]
fgsd[0x80725c9]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xe06bd6]
fgsd[0x8053051]

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