The ubuntu forums have many posts on the topic of people messing up their system by messing around with the system perl. Mark it for reinstallation in Synaptic. Consider installing your own perl to avoid any system issues, see Re: LWP::UserAgent @ Ubuntu 8.04 64-Bit.

In reply to Re^3: broke my perl? :( by marto
in thread broke my perl? :( by megnetz

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