#!D:\perl\bin -w

use strict;
use Win32::AdminMisc;
#use Win32::AdminMisc qw(SetPassword);
chomp(my $Server = <STDIN>);
my $User = "Administrator";
my $Password = &getPassword;
  # ***********I've changed this line round - it doesn't
  #  make sense the other way 

my $Result = Win32::AdminMisc::SetPassword( $Server, $User, $Password) ||
    die "Couldn't change password on $Server: $^E";
    print $Result;
    
sub getPassword {

# use strict;
#*************you don't need this line - you only have to 'use strict' once per script

use Crypt::Blowfish_PP;

my $key="abcdefghijklmnopqrstuvwxyz123456789";
my $bf = Crypt::Blowfish_PP->new($key);

open (IN,"phrase.txt") || 
    die "Can't read phrase.txt: $!";
    
#*******this doesn't need to be a while loop if you're only expecting
# one line
    my $encrypted_password = <IN>;

    #you probably want to close your file, as well
    close IN;

    my $decrypted_password = $bf->decrypt($encrypted_password);

    return $decrypted_password;
    # ************** you probably want to return this value,
    #  i.e. make it the result of this subroutine, unless
    #  I've completely misunderstood. Also, your there was a
    #  typo in your variable name

}
#******** you no longer need a closing-curly to close the while loop, but you do need one to close getPassword