PerlScript Error error '80004005'

Can't load 'C:/Perl/site/lib/auto/DBD/Pg/Pg.dll' for module DBD::Pg: load_file:The specified module could not be found at C:/Perl/lib/DynaLoader.pm line 230. at (eval 3) line 3 Compilation failed in require at (eval 3) line 3. (in cleanup) install_driver(Pg) failed: Can't load 'C:/Perl/site/lib/auto/DBD/Pg/Pg.dll' for module DBD::Pg: load_file:The specified module could not be found at C:/Perl/lib/DynaLoader.pm line 230. at (eval 3) line 3 Compilation failed in require at (eval 3) line 3. Perhaps a required shared library or dll isn't installed where expected 

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    DBI 1.46-ithread default trace level set to 0x0/9 (pid 476)
    -> DBI->connect(dbi:Pg:dbname=mydbname;host=localhost;port=5432, administrator, ****)
    -> DBI->install_driver(Pg) for MSWin32 perl=5.008004 pid=476 ruid=0 euid=0