What is 1., where is that information from?

C:\Perl\lib\make.pm -- OK

What is make.pm, where did that come from? This looks very suspicious, you generally don't use make on win32, you generally see nmake or dmake.

Tried installing Email::Date::Format again. worked perfectly.

Where did you install it? What does this command print

perl -V -lE " use Email::Date::Format; say for %INC "
[download]

See A Guide to Installing Modules for the hands on approach.