Pessoal do fórum acho que resolvi esse problema, que estava mim torturando já faz um mês. Na verdade acho que foi sorte.
Eu instalei pacotes que poderia ter algo ave com o processo de copiar e mover.
Depois de todo o processo de instalação, comecei a testar com varias copias de arquivo e movendo para o pendrive e pro hd externo.
Ate o presente momento não deu falhas.
O x da questão. Quais dos pacotes fez o milagre?
![Chocado :o](https://ubuntuforum-br.org/Smileys/default/shocked.gif)
Vou continuar testando mais um pouco.
Os pacotes são esses:
gir1.2-caja (1.2.1-1+precise)
build-essential (11.5ubuntu2)
caja-dbg (1.2.1-1+precise)
debhelper (9.20120115ubuntu3)
dh-apparmor (2.7.102-0ubuntu3.1)
dpkg-dev (1.16.1.2ubuntu7)
g++ (4:4.6.3-1ubuntu5)
g++-4.6 (4.6.3-1ubuntu5)
html2text (1.3.2a-15)
intltool-debian (0.35.0+20060710.1)
libalgorithm-diff-perl (1.19.02-2)
libalgorithm-diff-xs-perl (0.04-2build2)
libalgorithm-merge-perl (0.08-2)
libatk1.0-dev (2.4.0-0ubuntu1)
libcairo-script-interpreter2 (1.10.2-6.1ubuntu3)
libcairo2-dev (1.10.2-6.1ubuntu3)
libcaja-extension-dev (1.2.1-1+precise)
libdpkg-perl (1.16.1.2ubuntu7)
libexpat1-dev (2.0.1-7.2ubuntu1)
libfontconfig1-dev (2.8.0-3ubuntu9)
libfreetype6-dev (2.4.8-1ubuntu2)
libgdk-pixbuf2.0-dev (2.26.1-1)
libglib2.0-dev (2.32.3-0ubuntu1)
libgtk2.0-dev (2.24.10-0ubuntu6)
libice-dev (2:1.0.7-2build1)
libmail-sendmail-perl (0.79.16-1)
libpango1.0-dev (1.30.0-0ubuntu3.1)
libpcre3-dev (8.12-4)
libpcrecpp0 (8.12-4)
libpixman-1-dev (0.24.4-1)
libpng12-dev (1.2.46-3ubuntu4)
libsm-dev (2:1.2.0-2build1)
libstdc++6-4.6-dev (4.6.3-1ubuntu5)
libsys-hostname-long-perl (1.4-2)
libxcb-render0-dev (1.8.1-1)
libxcb-shm0-dev (1.8.1-1)
libxcomposite-dev (1:0.4.3-2build1)
libxcursor-dev (1:1.1.12-1)
libxdamage-dev (1:1.1.3-2build1)
libxext-dev (2:1.3.0-3build1)
libxfixes-dev (1:5.0-4ubuntu4)
libxft-dev (2.2.0-3ubuntu2)
libxi-dev (2:1.6.0-0ubuntu2)
libxinerama-dev (2:1.1.1-3build1)
libxml2-utils (2.7.8.dfsg-5.1ubuntu4.1)
libxrandr-dev (2:1.3.2-2)
libxrender-dev (1:0.9.6-2build1)
po-debconf (1.0.16+nmu2ubuntu1)
x11proto-composite-dev (1:0.4.2-2)
x11proto-damage-dev (1:1.2.1-2)
x11proto-fixes-dev (1:5.0-2ubuntu1)
x11proto-randr-dev (1.4.0+git20101207.0d32bb07-0ubuntu2)
x11proto-render-dev (2:0.11.1-2)
x11proto-xext-dev (7.2.0-3)
x11proto-xinerama-dev (1.2.1-2)
zlib1g-dev (1:1.2.3.4.dfsg-3ubuntu4)
ntfs-3g-dbg (1:2012.1.15AR.1-1ubuntu1)
ntfs-3g-dev (1:2012.1.15AR.1-1ubuntu1)
libblkid-dev (2.20.1-1ubuntu3)
libdevmapper-dev (2:1.02.48-4ubuntu7.1)
libparted0-dev (2.3-8ubuntu5)
libselinux1-dev (2.1.0-4.1ubuntu1)
libsepol1 (2.1.0-1.2)
libsepol1-dev (2.1.0-1.2)
libudev-dev (175-0ubuntu9)
uuid-dev (2.20.1-1ubuntu3)