Error: Plugin load for plugin 'hostinfo' failed with return code: Error: Can't locate Net/XWhois.pm in @INC (@INC contains: C:/strawberry/perl/lib C:/strawberry/perl/site/lib . D:/Apps/Apache2/cgi-bin/lib D:/Apps/Apache2/cgi-bin/plugins D:/Apps/Apache2/cgi-bin/plugins) at (eval 2) line 1.

Setup ('D:/Apps/Apache2/cgi-bin/awstats.brittonrobbins.conf' file, web server or permissions) may be wrong.
Check config file, permissions and AWStats documentation (in 'docs' directory).