How to remove bandwidthd 32 bit from 64 bit Xubuntu

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http://askubuntu.com – i downloaded bandwidthd from here and tried to install it using Ubuntu Software Center. It failed, but still it breaks my Xubuntu. Later i found that it is for 32 bit while mine is 64 bit system. Now apt-get no longer working because it stuck with bandwidthd error. apt-get remove bandwidth, resulted in error: The following packages have unmet dependencies: bandwidthd:i386 : Depends: ucf:i386 but it is not installable sudo apt-get -f install, error: sh: 0: getcwd() failed: No such file or directory dpkg: error processing bandwidthd:i386 (--remove): Package is in a very (HowTos)