It seems that the CD wasn't burned properly since you have md5 errors. You can try downloading the deb files from http://packages.ubuntu.com and installing them. You might have dependency problems but you just need to install those packages too.
- [twincling] I am not able to install packages in ub... Saifi Khan
- Re: [twincling] I am not able to install packa... Navneet Thillaisthanam
- Re: [twincling] I am not able to install packa... Anand S
- Re: [twincling] I am not able to install packa... uma

