in reply to ppm install with --location

You're using ActiveState Perl 805 (Perl 5.8) so PPM version 3.0.1 that does not have this option :(
You need another tecnique: to add a local repository (i.e. a directory) in the list of the available repositories:
PPM>add rep DIR c:\windows\desktop
then if you inflate the zip on your desktop you can search the module
PPM>s lanman
and install it
PPM>i 1