Nokia-N900:/# dpkg --configure -a
Setting up libboost-regex1.42.0 (1.42.0-3maemo3) ...
ldconfig: /usr/lib/libSDL_mixer-1.2.so.0 is not a symbolic link

Optifying usr/share/doc/libboost-regex1.42.0 -> /opt/maemo/usr/share/doc/libboost-regex1.42.0
mv: can't rename '/usr/share/doc/libboost-regex1.42.0': No such file or directory
dpkg: error processing libboost-regex1.42.0 (--configure):
subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of memscanner:
memscanner depends on libboost-regex1.42.0 (>= 1.42.0-1); however:
Package libboost-regex1.42.0 is not configured yet.
dpkg: error processing memscanner (--configure):
dependency problems - leaving unconfigured
Setting up libnet1 (1.1.4-2maemo2) ...
ldconfig: /usr/lib/libSDL_mixer-1.2.so.0 is not a symbolic link

Optifying usr/share/doc/libnet1 -> /opt/maemo/usr/share/doc/libnet1
mv: can't rename '/usr/share/doc/libnet1': No such file or directory
dpkg: error processing libnet1 (--configure):
subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of ettercap:
ettercap depends on libnet1 (>= 1.1.2-1); however:
Package libnet1 is not configured yet.
dpkg: error processing ettercap (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of yamas:
yamas depends on ettercap; however:
Package ettercap is not configured yet.
dpkg: error processing yamas (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
libboost-regex1.42.0
memscanner
libnet1
ettercap
yamas

Nokia-N900:/# apt-get update && apt-get install -f
Hit http://repository.maemo.org fremantle-1.3 Release.gpg
Ign http://repository.maemo.org fremantle-1.3/free Translation-en_US
Ign http://repository.maemo.org fremantle-1.3/non-free Translation-en_US
Hit http://repository.maemo.org fremantle Release.gpg
Ign http://repository.maemo.org fremantle/free Translation-en_US
Ign http://repository.maemo.org fremantle/non-free Translation-en_US
Hit https://downloads.maemo.nokia.com ./ Release.gpg
Hit http://repository.maemo.org fremantle-1.3 Release
Hit http://repository.maemo.org fremantle Release
Ign https://downloads.maemo.nokia.com ./ Translation-en_US
Ign http://repository.maemo.org fremantle-1.3/free Packages/DiffIndex
Ign http://repository.maemo.org fremantle-1.3/non-free Packages/DiffIndex
Ign http://repository.maemo.org fremantle/free Packages/DiffIndex
Ign http://repository.maemo.org fremantle/non-free Packages/DiffIndex
Hit http://repository.maemo.org fremantle-1.3/free Packages
Hit http://repository.maemo.org fremantle-1.3/non-free Packages
Hit https://downloads.maemo.nokia.com ./ Release.gpg
Hit http://repository.maemo.org fremantle/free Packages
Hit http://repository.maemo.org fremantle/non-free Packages
Ign https://downloads.maemo.nokia.com ./ Translation-en_US
Get:1 https://downloads.maemo.nokia.com ./ Release.gpg [481B]
Ign https://downloads.maemo.nokia.com ./ Translation-en_US
Hit https://downloads.maemo.nokia.com ./ Release
Hit https://downloads.maemo.nokia.com ./ Release
Hit https://downloads.maemo.nokia.com ./ Release
Ign https://downloads.maemo.nokia.com ./ Packages/DiffIndex
Ign https://downloads.maemo.nokia.com ./ Packages/DiffIndex
Get:2 https://downloads.maemo.nokia.com ./ Release [507B]
Ign https://downloads.maemo.nokia.com ./ Release
Ign https://downloads.maemo.nokia.com ./ Packages
Ign https://downloads.maemo.nokia.com ./ Packages
Ign https://downloads.maemo.nokia.com ./ Packages/DiffIndex
Hit https://downloads.maemo.nokia.com ./ Packages
Hit https://downloads.maemo.nokia.com ./ Packages
Ign https://downloads.maemo.nokia.com ./ Packages
Hit https://downloads.maemo.nokia.com ./ Packages
Fetched 988B in 14s (69B/s)
Reading package lists... Done
W: GPG error: https://downloads.maemo.nokia.com ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ADB4438160A655EF
W: You may want to run apt-get update to correct these problems
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 27 not upgraded.
5 not fully installed or removed.
After this operation, 0B of additional disk space will be used.
Setting up libnet1 (1.1.4-2maemo2) ...
ldconfig: /usr/lib/libSDL_mixer-1.2.so.0 is not a symbolic link

Optifying usr/share/doc/libnet1 -> /opt/maemo/usr/share/doc/libnet1
mv: can't rename '/usr/share/doc/libnet1': No such file or directory
dpkg: error processing libnet1 (--configure):
subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of ettercap:
ettercap depends on libnet1 (>= 1.1.2-1); however:
Package libnet1 is not configured yet.
dpkg: error processing ettercap (--configure):
dependency problems - leaving unconfigured
Setting up libboost-regex1.42.0 (1.42.0-3maemo3) ...
ldconfig: /usr/lib/libSDL_mixer-1.2.so.0 is not a symbolic link

Optifying usr/share/doc/libboost-regex1.42.0 -> /opt/maemo/usr/share/doc/libboost-regex1.42.0
mv: can't rename '/usr/share/doc/libboost-regex1.42.0': No such file or directory
dpkg: error processing libboost-regex1.42.0 (--configure):
subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of memscanner:
memscanner depends on libboost-regex1.42.0 (>= 1.42.0-1); however:
Package libboost-regex1.42.0 is not configured yet.
dpkg: error processing memscanner (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of yamas:
yamas depends on ettercap; however:
Package ettercap is not configured yet.
dpkg: error processing yamas (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
libnet1
ettercap
libboost-regex1.42.0
memscanner
yamas
E: Sub-process /usr/bin/dpkg returned an error code (1)

Nokia-N900:/# apt-get install speedpatch
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
speedpatch
0 upgraded, 1 newly installed, 0 to remove and 27 not upgraded.
5 not fully installed or removed.
Need to get 0B/2606B of archives.
After this operation, 69,6kB of additional disk space will be used.
Selecting previously deselected package speedpatch.
(Reading database ... 72667 files and directories currently installed.)
Unpacking speedpatch (from .../speedpatch_1.9-5_armel.deb) ...
Setting up libnet1 (1.1.4-2maemo2) ...
ldconfig: /usr/lib/libSDL_mixer-1.2.so.0 is not a symbolic link

Optifying usr/share/doc/libnet1 -> /opt/maemo/usr/share/doc/libnet1
mv: can't rename '/usr/share/doc/libnet1': No such file or directory
dpkg: error processing libnet1 (--configure):
subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of ettercap:
ettercap depends on libnet1 (>= 1.1.2-1); however:
Package libnet1 is not configured yet.
dpkg: error processing ettercap (--configure):
dependency problems - leaving unconfigured
Setting up libboost-regex1.42.0 (1.42.0-3maemo3) ...
ldconfig: /usr/lib/libSDL_mixer-1.2.so.0 is not a symbolic link

Optifying usr/share/doc/libboost-regex1.42.0 -> /opt/maemo/usr/share/doc/libboost-regex1.42.0
mv: can't rename '/usr/share/doc/libboost-regex1.42.0': No such file or directory
dpkg: error processing libboost-regex1.42.0 (--configure):
subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of memscanner:
memscanner depends on libboost-regex1.42.0 (>= 1.42.0-1); however:
Package libboost-regex1.42.0 is not configured yet.
dpkg: error processing memscanner (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of yamas:
yamas depends on ettercap; however:
Package ettercap is not configured yet.
dpkg: error processing yamas (--configure):
dependency problems - leaving unconfigured
Setting up speedpatch (1.9-5) ...
Backing Up /home/user/.profile And /home/user/.bashrc If Any Exists
cp: can't stat '/home/user/.profile': No such file or directory
cp: can't stat '/home/user/.bashrc': No such file or directory
Installing New .profile And .bashrc To /home/user/
All Done
Ignore Any Errors Appeared About No Such File Or Directory
This Happens If You Don't Have Any Old .profiel and .bashrc Files
You Need To Reboot Twice To Finish The Installation Process
Errors were encountered while processing:
libnet1
ettercap
libboost-regex1.42.0
memscanner
yamas
E: Sub-process /usr/bin/dpkg returned an error code (1)

Although I get these errors I can now install and remove applications so thank you for your help.