1. Make sure that your Dell Mini 9 has been updated with the latest software from dell by executing the Update Manager available under System on your Dell Mini 9.
2. After the Update Manager has completed restart your Dell Mini 9.
3. Repeat your attempt to install the Logger Lite 1.4.1 Debian Package.
4. If after these steps you continue to receive the same error you will need to update the DEBI application(s) on your Dell Mini 9. Access the updated application(s) from the following links and install them onto your Dell Mini 9 Desktop as follows:

http://dell-mini.archive.canonical.com/ubuntu/dists/hardy-netbook-remix/main/binary-lpia/gdebi-core_0.3.8netbook1_all.deb
http://dell-mini.archive.canonical.com/ubuntu/dists/hardy-netbook-remix/main/binary-lpia/gdebi_0.3.8netbook1_all.deb

Open a terminal window on your Dell Mini 9 and execute the following from a command prompt. This will install the updated DEBI application(s)

sudo dpkg -i Desktop/gdebi-core_0.3.8netbook1_all.deb
sudo dpkg -i Desktop/gdebi_0.3.8netbook_all.deb

Restart your Dell Mini 9. You should now be able to successfully install the Logger Lite 1.4.1 Debian package.