c:\xampp\perl\bin>ppm
Can't load 'c:/xampp/perl/vendor/lib/auto/XML/Parser/Expat/Expat.dll' for module
XML::Parser::Expat: load_file:指定されたモジュールが見つかりません。 at c:/xamp
p/perl/lib/DynaLoader.pm line 190.
at c:/xampp/perl/vendor/lib/XML/Parser.pm line 18.
Compilation failed in require at c:/xampp/perl/vendor/lib/XML/Parser.pm line 18.

BEGIN failed--compilation aborted at c:/xampp/perl/vendor/lib/XML/Parser.pm line
22.
Compilation failed in require at c:/xampp/perl/vendor/lib/PPM.pm line 28.
BEGIN failed--compilation aborted at c:/xampp/perl/vendor/lib/PPM.pm line 28.
Compilation failed in require at ppm.bat line 35.
BEGIN failed--compilation aborted at ppm.bat line 35.

ppmが使えませんどうすればいいでしょうか
環境はwin8.1proです。