I searched for it with google, and the first hit (at least on google.de; it's a German page) has a solution: delete the delete the corrupted database, or even the cpan folder (you could lose some configuration; make a backup first...).

On strawberry perl you can find it in C:\strawberry\cpan\, on decent operating systems in ~/.cpan/. Thank you Alvar ;-).

In reply to Re: help with CPAN and Strawberry Perl by moritz
in thread help with CPAN and Strawberry Perl by chuckd

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