snulken@Mintbox:~ > sudo apt-get install fglrx
Reading package lists... Done
Building dependency tree
Reading state information... Done
Recommended packages:
  fglrx-amdcccle
The following NEW packages will be installed:
  fglrx
0 upgraded, 1 newly installed, 0 to remove and 13 not upgraded.
Need to get 0 B/59.2 MB of archives.
After this operation, 260 MB of additional disk space will be used.
Selecting previously unselected package fglrx.
(Reading database ... 180789 files and directories currently installed.)
Preparing to unpack .../fglrx_2%3a13.350.1-0ubuntu2_amd64.deb ...
One or more files have been altered since installation.
Uninstall will not be completed. See /etc/ati/fglrx-uninstall.log for details.
dpkg: error processing archive /var/cache/apt/archives/fglrx_2%3a13.350.1-0ubuntu2_amd64.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/fglrx_2%3a13.350.1-0ubuntu2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)