i have the latest version of apache, and i want to know how to enable the users directory that has to do with;

Code:
UserDir "public_html"
<Directory "C:/Documents and Settings/*/public_html">
    AllowOverride FileInfo AuthConfig Limit
    Options MultiViews Indexes SymLinksIfOwnerMatch IncludesNoExec
    <Limit GET POST OPTIONS PROPFIND>
        Order allow,deny
        Allow from all
    </Limit>
    <LimitExcept GET POST OPTIONS PROPFIND>
        Order deny,allow
        Deny from all
    </LimitExcept>
</Directory>

i started by loading this module
Code:
LoadModule userdir_module modules/mod_userdir.so
but i got an error when i do that

can somebody please tutor me on how to do this?

and also i need somebody to help explain how to with virtual directories in apache.