You haven't posted the full error message, but from what you have provided, a possibility might be that perl can't find Tk.pm in the library paths stored in the @INC array.

Your error message indicates that perl has printed out contents of @INC to notify that none of these library paths contained Tk.pm

In reply to Re: use Tk; fails by sumeetgrover
in thread use Tk; fails by bk_2

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