Its called LWP::Authen::Ntlm , and its important that you call it LWP::Authen::Ntlm. Here's why

D:\>perl -MStrict -e" $blah = 3

D:\>perl -Mstrict -e" $blah = 3
Global symbol "$blah" requires explicit package name at -e line 1.
Execution of -e aborted due to compilation errors.
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Case is important.