Just pointing out an important difference between the following:

use lib qw(C:/Users/Chris Brown/perl5/lib/perl5);
use lib   'C:/Users/Chris Brown/Perl5/lib/perl5';
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The qw(...) syntax will split the string on whitespace and turn it into a list. So the first line is equivalent to:

use lib ( 'C:/Users/Chris', 'Brown/perl5/lib/perl5' );
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And that is not what you want. haukex correctly uses quotes for the path and that is why it works for him.