Text Encrpytion plugin causes gedit to crash while hitting X button, then can't be disabled

Binary package hint: gedit

$ apt-cache policy gedit
gedit:
  Installed: 2.25.7-0ubuntu1
  Candidate: 2.25.7-0ubuntu1
  Version table:
 *** 2.25.7-0ubuntu1 0
        500 ftp://darkstar.ist.utl.pt jaunty/main Packages
        500 ftp://archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

$ apt-cache policy libc6
libc6:
  Installed: 2.9-0ubuntu12
  Candidate: 2.9-0ubuntu12
  Version table:
 *** 2.9-0ubuntu12 0
        500 ftp://darkstar.ist.utl.pt jaunty/main Packages
        500 ftp://archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

 apt-cache policy seahorse-plugins
seahorse-plugins:
  Installed: 2.25.90-0ubuntu1
  Candidate: 2.25.90-0ubuntu1
  Version table:
 *** 2.25.90-0ubuntu1 0
        500 ftp://darkstar.ist.utl.pt jaunty/main Packages
        500 ftp://archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

$ apt-cache policy seahorse
seahorse:
  Installed: 2.25.91-0ubuntu1
  Candidate: 2.25.91-0ubuntu1
  Version table:
 *** 2.25.91-0ubuntu1 0
        500 ftp://darkstar.ist.utl.pt jaunty/main Packages
        500 ftp://archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

 0x0000000001debff0 *** ======= Backtrace: ========= /lib/libc.so.6[0x7f105c562cb8] /lib/libc.so.6(cfree+0x76)[0x7f105c565276] gedit[0x47479f] /usr/lib/libgobject-2.0.so.0(g_object_unref+0x139)[0x7f105d59c3f9] gedit[0x43c8cf] gedit[0x43c973] /usr/lib/libgobject-2.0.so.0(g_object_unref+0x139)[0x7f105d59c3f9] gedit(main+0x4a0)[0x42b830] /lib/libc.so.6(__libc_start_main+0xe6)[0x7f105c5095a6] gedit[0x42ac29] ======= Memory map: ======== 00400000-004a6000 r-xp 00000000 08:01 294062 /usr/bin/gedit 006a6000-006a8000 r--p 000a6000 08:01 294062 /usr/bin/gedit 006a8000-006ab000 rw-p 000a8000 08:01 294062 /usr/bin/gedit 00ca8000-02991000 rw-p 00ca8000 00:00 0 [heap] 7f1048000000-7f1048021000 rw-p 7f1048000000 00:00 0 7f1048021000-7f104c000000 ---p 7f1048021000 00:00 0 7f104f94e000-7f104f9da000 r--p 00000000 08:01 565417 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-Bold.ttf 7f104f9da000-7f104fa3a000 rw-s 00000000 00:09 26476586 /SYSV00000000 (deleted) 7f104fa3a000-7f104fa84000 r--p 00000000 08:01 565420 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono-Bold.ttf 7f104fa84000-7f104fae4000 rw-s 00000000 00:09 26443816 /SYSV00000000 (deleted) 7f104fae4000-7f104faf3000 r-xp 00000000 08:01 204216 /lib/libbz2.so.1.0.4 7f104faf3000-7f104fcf3000 ---p 0000f000 08:01 204216 /lib/libbz2.so.1.0.4 7f104fcf3000-7f104fcf4000 r--p 0000f000 08:01 204216 /lib/libbz2.so.1.0.4 7f104fcf4000-7f104fcf5000 rw-p 00010000 08:01 204216 /lib/libbz2.so.1.0.4 7f104fcf5000-7f104fd2b000 r-xp 00000000 08:01 295266 /usr/lib/libcroco-0.6.so.3.0.1 7f104fd2b000-7f104ff2a000 ---p 00036000 08:01 295266 /usr/lib/libcroco-0.6.so.3.0.1 7f104ff2a000-7f104ff2e000 rw-p 00035000 08:01 295266 /usr/lib/libcroco-0.6.so.3.0.1 7f104ff2e000-7f104ff67000 r-xp 00000000 08:01 295190 /usr/lib/libgsf-1.so.114.0.11 7f104ff67000-7f1050167000 ---p 00039000 08:01 295190 /usr/lib/libgsf-1.so.114.0.11 7f1050167000-7f105016a000 r--p 00039000 08:01 295190 /usr/lib/libgsf-1.so.114.0.11 7f105016a000-7f105016b000 rw-p 0003c000 08:01 295190 /usr/lib/libgsf-1.so.114.0.11 7f105016b000-7f105016d000 rw-p 7f105016b000 00:00 0 7f105016d000-7f10501a2000 r-xp 00000000 08:01 296542 /usr/lib/librsvg-2.so.2.22.3 7f10501a2000-7f10503a1000 ---p 00035000 08:01 296542 /usr/lib/librsvg-2.so.2.22.3 7f10503a1000-7f10503a2000 r--p 00034000 08:01 296542 /usr/lib/librsvg-2.so.2.22.3 7f10503a2000-7f10503a3000 rw-p 00035000 08:01 296542 /usr/lib/librsvg-2.so.2.22.3 7f10503a3000-7f10503a5000 r-xp 00000000 08:01 327699 /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so 7f10503a5000-7f10505a4000 ---p 00002000 08:01 327699 /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so 7f10505a4000-7f10505a5000 r--p 00001000 08:01 327699 /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so 7f10505a5000-7f10505a6000 rw-p 00002000 08:01 327699 /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so 7f10505a6000-7f10505f5000 r--p 00000000 08:01 565419 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf 7f10505f5000-7f10505f6000 ---p 7f10505f5000 00:00 0 7f10505f6000-7f1050df6000 rw-p 7f10505f6000 00:00 0 7f1050df6000-7f1051135000 r-xp 00000000 08:01 298990 /usr/lib/libgucharmap.so.7.0.0 7f1051135000-7f1051335000 ---p 0033f000 08:01 298990 /usr/lib/libgucharmap.so.7.0.0 7f1051335000-7f1051336000 r--p 0033f000 08:01 298990 /usr/lib/libgucharmap.so.7.0.0 7f1051336000-7f1051337000 rw-p 00340000 08:01 298990 /usr/lib/libgucharmap.so.7.0.0 7f1051337000-7f105133b000 r-xp 00000000 08:01 46560 /usr/lib/gedit-2/plugins/libcharmap.so 7f105133b000-7f105153a000 ---p 00004000 08:01 46560 /usr/lib/gedit-2/plugins/libcharmap.so 7f105153a000-7f105153b000 r--p 00003000 08:01 46560 /usr/lib/gedit-2/plugins/libcharmap.so 7f105153b000-7f105153c000 rw-p 00004000 08:01 46560 /usr/lib/gedit-2/plugins/libcharmap.so 7f105153c000-7f105154d000 r-xp 00000000 08:01 296220 /usr/lib/libcryptui.so.0.0.0 7f105154d000-7f105174c000 ---p 00011000 08:01 296220 /usr/lib/libcryptui.so.0.0.0 7f105174c000-7f105174d000 r--p 00010000 08:01 296220 /usr/lib/libcryptui.so.0.0.0 7f105174d000-7f105174e000 rw-p 00011000 08:01 296220 /usr/lib/libcryptui.so.0.0.0 7f105174e000-7f1051754000 r-xp 00000000 08:01 40877 /usr/lib/gedit-2/plugins/libseahorse-pgp.so 7f1051754000-7f1051953000 ---p 00006000 08:01 40877 /usr/lib/gedit-2/plugins/libseahorse-pgp.so 7f1051953000-7f1051954000 r--p 00005000 08:01 40877 /usr/lib/gedit-2/plugins/libseahorse-pgp.so 7f1051954000-7f1051955000 rw-p 00006000 08:01 40877 /usr/lib/gedit-2/plugins/libseahorse-pgp.so 7f1051955000-7f1051963000 r-xp 00000000 08:01 326603 /usr/lib/gio/modules/libgioremote-volume-monitor.so 7f1051963000-7f1051b62000 ---p 0000e000 08:01 326603 /usr/lib/gio/modules/libgioremote-volume-monitor.so 7f1051b62000-7f1051b63000 r--p 0000d000 08:01 326603 /usr/lib/gio/modules/libgioremote-volume-monitor.so 7f1051b63000-7f1051b64000 rw-p 0000e000 08:01 326603 /usr/lib/gio/modules/libgioremote-volume-monitor.so 7f1051b64000-7f1051b68000 r-xp 00000000 08:01 326535 /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so 7f1051b68000-7f1051d68000 ---p 00004000 08:01 326535 /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so 7f1051d68000-7f1051d69000 r--p 00004000 08:01 326535 /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so 7f1051d69000-7f1051d6a000 rw-p 00005000 08:01 326535 /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so 7f1051f93000-7f1051fa4000 r-xp 00000000 08:01 204168 /usr/lib/python-support/python-gtksourceview2/python2.5/gtksourceview2.so 7f1051fa4000-7f10521a3000 -Aborted (core dumped)

ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
NonfreeKernelModules: nvidia
Package: gedit 2.25.7-0ubuntu1
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SourcePackage: gedit
Uname: Linux 2.6.28-8-generic x86_64