You should get a simple test script working before trying to solve the problem with your script. ActiveState has some good guidance, including test scripts that are known to work, at http://docs.activestate.com/activeperl/5.8/faq/Windows/ActivePerl-Winfaq6.html.

What happens when you run the test script provided by ActiveState?

Update: You might also find section 7.4 of http://oopweb.com/Perl/Documents/PerlWin32/Volume/perlw327.htm relevant.