When I use Archive::Zip to zip a list of files, I cannot open the resulting zip file because it is "blocked". Does anybody know a way around this? I'm using the exact example provided for zipping files using this module... The zip has a size, but when I try to preview it.. it appears to be empty.

Update:
I've used this code prior to sp2 update, and know that it works.However, if you think I'm doing something wrong, by all means let me know. Like I said, it seems to be zipping because the Zip file which is created has a size on disk. The problem comes when I try to view it's contents through windows.

sub ZipFiles
{
    use Archive::Zip qw(:ERROR_CODES :CONSTANTS);
    
    my $ret = 0;
    my @msg = ();
    
    if ( @_ > 1 ) {
        my $fileName = shift;
        my @fileNames = @_;
    
        $fileName =~ s/\.zip//;
        
        my $zip = Archive::Zip->new();
            
        foreach my $memberName (@fileNames) {
             if (-d $memberName ) {
                push(@msg, "Error: Could not add directory $memberName
+ to zip file.")
                    if $zip->addTree( $memberName, $memberName ) != AZ
+_OK;
             }
             else {
                  $zip->addFile( $memberName )
                      or push(@msg, "Error adding file $memberName\n")
+;
             }
        }
        if ($zip->writeToFileNamed( "$fileName.zip" ) != AZ_OK ) {
            $ret = 1;
            push (@msg, "Error: Zip file could not be created. A write
+ error has occured. Verify that specified directory is correct.");
        }
    }
    else {
        $ret = 1;
        push(@msg, "Error: Number of arguments does not match specifie
+d amount.");
    }

    if ( $ret == 0 ) {
        @msg = ();
        push(@msg, "Files have been zipped successfully.");
    }
    
    return wantarray ? ($ret, @msg) : $ret;    
}
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I am using version 1.16. I am using ActiveState 5.8.6.